WASHINGTON -- The House released a sweeping impeachment report Tuesday outlining evidence of what it calls U.S. President Donald Trump鈥檚 wrongdoing toward Ukraine, findings that will serve as the foundation for debate over whether the 45th president should be removed from office.

The 300-page report from Democrats on the House Intelligence Committee makes the case that Trump misused the power of his office and, in the course of their investigation, obstructed Congress by stonewalling the proceedings. Based on two months of investigation, the report contains evidence and testimony from current and former U.S. officials.

鈥淭he impeachment inquiry has found that President Trump, personally and acting through agents within and outside of the U.S. government, solicited the interference of a foreign government, Ukraine, to benefit his reelection,鈥 the report said.

鈥淭he President engaged in this course of conduct for the benefit of his own presidential reelection, to harm the election prospects of a political rival, and to influence our nation鈥檚 upcoming presidential election to his advantage,鈥 it said. In doing so, 鈥渢he President placed his own personal and political interests above the national interests of the United States, sought to undermine the integrity of the U.S. presidential election process, and endangered U.S. national security.鈥

The House intelligence panel will vote later Tuesday, in what is expected to be a party-line tally, to send the document to the Judiciary Committee ahead of a landmark impeachment hearing Wednesday.

鈥淚t will be up to the Congress to determine whether these acts rise to the level of an impeachable offense,鈥 said Rep. Adam Schiff, chairman of the Intelligence Committee, said in a joint statement with the chairmen of the Oversight and Foreign Affairs Committee, who drafted the report.

鈥淲ith the release of our report, the American people can review for themselves the evidence detailing President Trump鈥檚 betrayal of the public trust.鈥

In a statement, White House Press Secretary Stephanie Grisham said 鈥淐hairman Schiff and the Democrats utterly failed to produce any evidence of wrongdoing by President Trump.鈥 She said the report 鈥渞eads like the ramblings of a basement blogger straining to prove something when there is evidence of nothing.鈥

Ahead of the release, Republicans defended the president in a rebuttal claiming Trump never intended to pressure Ukraine when he asked for a 鈥渇avor鈥 鈥 investigations of Democrats and Joe Biden. They say the military aid the White House was withholding was not being used as leverage, as Democrats claim, and besides the $400 million was ultimately released, although only after a congressional outcry.

Trump at the opening of a NATO leaders鈥 meeting in London on Tuesday criticized the impeachment push as 鈥渦npatriotic鈥 and 鈥渁 bad thing for our country.鈥

The findings in The Trump-Ukraine Impeachment Inquiry Report draw deeply from history, citing Alexander Hamilton and other Founding Fathers, to explain grounds for impeachment.

鈥淩ather than a mechanism to overturn an election, impeachment was explicitly contemplated as a remedy of last resort for a president who fails to faithfully execute his oath of office 鈥檛o preserve, protect and defend the Constitution of the United States,鈥 the report said.

The report will lay the foundation for the House Judiciary Committee to assess potential articles of impeachment starting Wednesday, presenting a history-making test of political judgment with a case that is dividing Congress and the country.

Trump said he will not watch the judiciary panel鈥檚 hearing, saying it鈥檚 鈥渁ll nonsense, they鈥檙e just wasting their time.鈥

Democrats once hoped to sway Republicans to consider Trump鈥檚 removal, but they are now facing the prospect of an ever-hardening partisan split over the swift-moving proceedings on impeaching the president.

The findings are expected to forcefully make the Democrats鈥 case that Trump engaged in what Schiff, D-Calif., calls impeachable 鈥渨rongdoing and misconduct鈥 in pressuring Ukraine to investigate Biden and Democrats while withholding military aid to the ally.

For Republicans offering an early rebuttal ahead of the report鈥檚 public release, the proceedings are simply a 鈥渉oax,鈥 with Trump insisting he did nothing wrong and his GOP allies in line behind him. Trump tweeted his daily complaints about it all and then added a suggestive, if impractical, question: 鈥淐an we go to Supreme Court to stop?鈥

Trump criticized the House for pushing forward with the proceedings while he was overseas, a breach of political decorum that traditionally leaves partisan differences at the water鈥檚 edge.

He predicted Republicans would actually benefit from the impeachment effort against him.

For the Democrats, House Speaker Nancy Pelosi faces a critical moment of her leadership as she steers the process ahead after resisting the impeachment inquiry through the summer, warning at the time that it was too divisive for the country and required bipartisan support.

Possible grounds for impeachment are focused on whether Trump abused his office as he pressed Ukrainian President Volodymyr Zelenskiy in a July 25 phone call to open investigations into Trump鈥檚 political rivals. At the time, Trump was withholding $400 million in military aid, jeopardizing key support as Ukraine faces an aggressive Russia at its border.

The report also is expected to include evidence the Democrats say suggests obstruction of Congress, based on Trump鈥檚 instructions for his administration to defy subpoenas for documents and testimony.

The next step comes when the Judiciary Committee gavels open its own hearing with legal experts to assess the findings and consider potential articles of impeachment ahead of a possible vote by the full House by Christmas. That would presumably send it to the Senate for a trial in January.

The Democratic majority on the Intelligence Committee says its report, compiled after weeks of testimony from current and former diplomats and administration officials, will speak for itself in laying out the president鈥檚 actions toward Ukraine.

Republicans preempted the report鈥檚 public release with their own 123-page rebuttal.

In it, they claim there鈥檚 no evidence Trump pressured Zelenskiy. Instead, they say Democrats just want to undo the 2016 election. Republicans dismiss witness testimony of a shadow diplomacy being run by Trump lawyer Rudy Giuliani, and they rely on the president鈥檚 insistence that he was merely concerned about 鈥渃orruption鈥 in Ukraine 鈥 though the White House transcript of Trump鈥檚 phone call with Zelenskiy never mentions the word.

鈥淭hey are trying to impeach President Trump because some unelected bureaucrats chafed at an elected President鈥檚 鈥榦utside the beltway鈥 approach to diplomacy,鈥 according to the report from Republican Reps. Devin Nunes of California, Jim Jordan of Ohio and Michael McCaul of Texas.

Schiff said the GOP response was intended for an audience of one, Trump, whose actions are 鈥渙utside the law and Constitution.鈥

Democrats could begin drafting articles of impeachment against the president in a matter of days, with voting in the Judiciary Committee next week.

Republicans on the committee, led by Rep. Doug Collins of Georgia, plan to use procedural moves to stall the process and portray the inquiry as unfair to the president.

The White House declined an invitation to participate, with counsel Pat Cipollone denouncing the proceedings as a 鈥渂aseless and highly partisan inquiry鈥 in a letter to Judiciary Chairman Jerrold Nadler, D-N.Y.

Trump had previously suggested that he might be willing to offer written testimony under certain conditions, though aides suggested they did not anticipate Democrats would ever agree to them.

Cipollone鈥檚 letter of nonparticipation applied only to the Wednesday hearing, and he demanded more information from Democrats on how they intended to conduct further hearings before Trump would decide whether to participate.

Nadler said Monday if the president really thought his call with Ukraine was 鈥減erfect,鈥 as he repeatedly says, he would 鈥減rovide exculpatory information that refutes the overwhelming evidence of his abuse of power.鈥

House rules provide the president and his attorneys the right to cross-examine witnesses and review evidence before the committee, but little ability to bring forward witnesses of their own.

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Associated Press writers Zeke Miller and Jill Colvin contributed to this report.