Answer:1) 3. 1973
2) 3. Saigon
Explanation: In 1973, the United States officially pulled their troops out of the war after 18 years of fighting.
North Vietnam in 1975 closed in on Saigon and bombed it, hence "The Fall of Saigon."
Answer:
Procedure.
Explanation:
A procedure is a process by which the hypothesis is tested under controlled [variables].
Could be experiment, could be experimental design. This question is a little confusing, but that's okay. I tried my best.
They wanted to find more natural resources, and they also wanted to seek out new markets for European goods.