Canada and the U.S. are working on tougher sanctions against Russia following the Malaysia Airlines plane disaster, but they鈥檝e hit a major obstacle: Russia鈥檚 economic ties.
About a third of Europe's gas comes from Russia and European leaders are worried stronger sanctions will cripple their economies
Russia is the top oil producer on the planet and the second largest producer of natural gas. And Russia uses its energy exports to foster stronger ties with other countries. Zoom in and click on the countries below to see what those relationships look like:
