Aunified group of countries that communist bloc was located in what world region

A unified group of countries, the Communist bloc was located in central and Eastern Europe, East Asia and Southeast Asia under the hegemony of the URSS. This bloc was denominated as Eastern bloc. And encompassed countries such as Poland, Romania, Bulgaria, Hungary and several other European countries. This was a group that was led by the mighty Stalin of USSR.

c, because the american revolution was from 1765 to 1783.