Discounting the Soviets over-running Eastern European countries as part of their WWII participation; and using strictly "Force of Arms": South Vietnam.
The Communists took over.
That's like asking why the Communists took over so many countries during the cold war. It's because they had the troops to do so.
Communists took over the government.
The Chinese Communists took over the country in 1949
Because communists took over the control of Russia from the Tsar. Communists were against war with Germany and hence agreed to end the war with Germany after they took the reign of Russia.
China supports many countries after the communist party took control in 1949. They support the communist movements in Malaysia and Vietnam. The ideology is communism.
After the communists took over their country many of them had no alternative
Czar Nickolas II
They went to Taiwan and still are there today.
The island of Taiwan.
The communists took over the countrie and Lennon became the leader
The Bolsheviks under Vladimir Lenin took over Russia after its civil war. The Bolsheviks later changed their name to Communists.