The correct answer is option D. "The U.S. wanted to defeat the communist troops who were there". Nixon authorized the invasion of Cambodia on April 28, 1970, allowing combat troops to cross the border from South Vietnam into Cambodia. The main reason why U.S. wanted to enter Cambodia was to defeat the communist troops that were residing there.
<span>These are all arguments from "The Wealth of Nations." In this book, Adam Smith laid out the basics of modern-day capitalistic thought and the idea of free-markets. He argued that the basic premise of a free society is to maximize the ability to earn based upon the skills and abilities to innovate that one has at their disposal.</span>
1.D.
2. probably Havana
3. D.
4. not sure
last one is D. they had missiles that could reach America
i hope i could help
