Question

After World War I, the balance of power in Europe shifted as a result of:

O A. Russian Bolsheviks' support of successful communist revolutions
throughout Europe,
O B. the United States' refusal to provide aid to western European
countries
O C. the collapse of eastern empires that had been major powers
before the war.
O D. the rapid rebuilding of the German military in the years
immediately following the war.

Answer 1

I would be C because Germany, Russia, Austria Hungary all fell apart because the west was modernizing and the east was still filled with monarchies and autocracys