Answer:
They were helpful to America in the war, and Roosevelt felt they shouldn't be discriminated against.
Explanation:
Remember, the African-American soldiers also called Buffalo Soldiers at the time were victims of prejudice even right there in military camps.
So, Roosevelt's famous quote was like a thank you message for their assistance; in a sense telling them that they are free to mingle together.
The separated and balanced the powers among thedifferent branches. Gave each branch a way to check the use of power by the other branches to protect the rights and welfare of people. Each branch is given an equal amount of power to balance the responsibilities.
It made Americans have less trust in their government
The war of 1812 led to development of manufacturing capabilities in America. The British no longer played a role in the development of America and America was given freedom. The British no longer seized American trade ships that were going to Europe. The star spangled banner was written. America got recognition of being a sovereign nation and the government and over all nation gained a better reputation. America became allies with Canada. It also led to the White House being white because it was burned to a black color.