5 should be d 6 is b and 7 is also d
Answer:
It seems like the answer is D.
Explanation:
This is bc this time period was all about speed and efficiency.
Answer:
The Cold War began after the surrender of Nazi Germany in 1945, when the uneasy alliance between the United States and Great Britain on the one hand and the Soviet Union on the other started to fall apart. ... The Americans and the British worried that Soviet domination in eastern Europe might be permanent.
Explanation:
Two effects of the Louisiana purchase, were the U.S. doubling its size and the French and Spain were practically forced out of north America