To ensure that no single branch became too powerful
Answer:
Option B
Explanation:
Battle of Britain was won the Britain army and the Nazi army has to move back. This battle led to the survival of Great Britain. Also, the invasion of any kind by foreign people was blocked.
Hence, option B is correct
They began fighting for the un settled land
If affected American Trade in the west because it prevented the travel through Louisiana, which resulted in less trade, thus an economic defect.