Answer:
A civil war between neighboring tribes
I am not going to answer in a paragraph of 125 words, but I will give you the answer to the first question; The United States didn't want another country to fall to communism. They officially got involved after the attack of the Gulf of Tonkin (U.S destroyers were stationed there and a radio came in that said they had been fired upon by North Vietnamese forces). (45 words BTW).
Answer: What two factors led to the growth of trans-Saharan trade? The two factors that led to the growth of trans-Saharan trade were the introduction of the camel and the spread of Islam. ... Travel across the Sahara was challenging because the journey was long and travelers could lose their way or be unable to find water.
