Khmer Rouge was the name popularity given to the followers of the Communist party of Kampuchea. Which the CPK ruled in Cambodia between the 1975 and 1979.
Around 1949. When the Axis Capitulated and lost the war, Europe was divided and one half became proxy states, part of the Warsaw Pact. This Large Buildup of Soviet Power caused the US to be Highly suspicious of Communists and communism, which seemed to only Seek power over the West.
No, Europe is made up of many different countries such as France, Italy, United Kingdom, Spain, and many more.
Answer is tax base, the rest are all very important