Working in fields as their job
In 1838 and 1839, as part of Andrew Jackson's Indian removal policy, the Cherokee nation was forced to give up its lands east of the Mississippi River and to migrate to an area in present-day Oklahoma the Cherokee people called this journey the "Trail of Tears" because of its devastating effects.
Admiral chester nimitz learn of the japanese plans at the battle of midway from the intercepted messages. also, is is because the united states, they had broken the japanese naval code and they were able to read a significant part of the messages to give him a good idea of japanese intentions.
The northern part of the United States won when Robert E. Lee surrendered to Ulysses S. Grant in 1864