Answer:
The French and Indian War began in 1754 and ended with the Treaty of Paris in 1763. The war provided Great Britain enormous territorial gains in North America, but disputes over subsequent frontier policy and paying the war's expenses led to colonial discontent, and ultimately to the American Revolution.
The answer to the question above is letter "A. save American lives". Truman became the president succeeding President Franklin Roosevelt in April 12, 1945. Aside from what has been said, it was also his aim to shorten war for peace.
The answer is China, hoped I helped