A) Trail of Tears. This was the forced relocation of many natives between 1830 and 1850
C) Battle of Little Bighorn. This battle was between the Northern Cheyenne and Arapaho tribes against the US Army.
and
E) Relocation to reservations
1.Most of them were british .
2.Thee imports where from Britain.
Answer:
Oil embargo.
Explanation:
The events that led Japan to launch an attack at the United States base at Pearl Harbor were not just because of a single cause. It was a number of events that had accumulated and exploded after the US decided to ban all oil exports to foreign nations.
Japan had been slowly expanding its authority to nations including China. The increase in Japan's power led the US to embargo all oil exports which left Japan with a minimal oil resource. This prompted the Japanese nation to attack the US base at Pearl Harbor.
Thus, the correct answer is the first option.