Why did western european economies grow faster than eastern european economies after world war ii?

What is the purpose of the system of checks and balances

Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.

How are isolationism and nativism related ? in the 1920s what actions did americans take that reveal their distrust of others