Answer: The person who led the Marxist revolutionaries in Russia was Vladimir Lenin.
Explanation: I learned about this a while ago.
The industry that showed a sudden decrease in value that lead to the economic crisis of 2008-2009 in America was the housing industry since it went from a boom in the mid-2000s to a bust in late-2000s.
This crisis in the real-estate industry resulted in what was called “The Great Recession”. The Great Depression started in America and then became a worldwide crisis that finished in 2009. This economic downturn had a significant impact in global economies and it is compared to “The Great Depression” of 1929.