The best answer to this question is option B. It is the DOMINO THEORY that explains the reason why the United States sent troops to fight in Vietnam. During this war, the United States sent these troops in helicopters in order to help South Vietnam. Hope this answers your question.
An important legacy of 1824 would be the election.
Answer: my best friend is a furry help
Explanation:
role of innovation in driving economic growth, Innovation and Entrepreneurship Across a Century,