The answer is: b. to prevent the spread of communism in Southeast Asia
After the Geneva Accords divided Vietnam into South and North Vietnam, a group called the Vietcong started a war against the South Vietnam government. Meanwhile, America was sending supplies and a small amount of troops to South Vietnam to support the new democratic country. However, when the communist North Vietnamese defending boats attacked American destroyers, it caused a war with North Vietnam. The US also got involved to stop communism from expanding from North to South Vietnam.
Immigrants were moving to the U.S. Most of them moved to cities and a lot of them made up our work force.
According to Marxism, there are two main classes of people: The bourgeoisie controls the capital and means of production, and the proletariat provide the labour. Karl Marx and Friedrich Engels say that for most of history, there has been a struggle between those two classes. This struggle is known as class struggle.
The best and most correct answer among the choices provided by your question is the first choice or letter A.
<span>The Greeks have 250 steady years of migration beginning in 750 BCE because the population outgrew the arable land.</span>
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The Emancipation Proclamation itself was an executive order. It basically made all southern states free their slaves.