Answer:
the native american removal. This made a big impact on the country. For one it created much more room for americans to settle. Especially in the south. For 2 it put thousands of native americans out of homes. It killed many native americans and created the Trail of Tears, where thousands of Indians were marched away to create room for the americans to settle.
The Mongol invasions of Japan failed because Typhoon winds destroyed the Mongol fleet. The Mongols failed to conquer Japan even though they had successfully conquered the much larger land of China and also Korea. The typhoons that saved Japan did not even happen just once but twice ! Both times that the Mongols set out to conquer Japan, their fleets were destroyed by typhoons. Japan was geographically in luck and also helped by nature.
It is connected to the U.S.A. They want everyone to be a part. Then the can defeat enemies. They would get more soldiers.
