Answer:
Explanation:
China had become communist in 1949 and communists were in control of North Vietnam. The USA was afraid that communism would spread to South Vietnam and then the rest of Asia. It decided to send money, supplies and military advisers to help the South Vietnamese Government.
Answer:
first and last one is the answer
New aqueducts brought fresh water from hundreds of miles away and Huge tunnels were built for sewer lines.
Buchanan could have repudiated the pro-slavery Lecompton Constitution for Kansas.
He could have supported Douglas for the Democrat nomination in 1860. Douglas could have been elected President in 1860, and that means no secession.
He could have reassigned military commanders so that forts in the south were held by people from the north.
He should have anticipated what the secessionists could do in order to neutralize them.