Booker T. Washington- He wasn't radical or demanding that blacks be equal at once. He thought the most logical approach was for blacks to escape the poverty they were mired in. He even created a college, Tuskegee Institute, to help blacks learn things to get jobs and improve the black economy. (George Washington Carver, argicultural chemist, graduated from there)
WEBD- He demanded immediate black equality. He scoffed at Washington's idea of gradualness. WEBD wanted blacks to be integrated. He also believed in the Talented Tenth. As in one in ten blacks would arise and become leaders of their race. They had to be college educated and have the right resources. It was kind of on the "snobby" side. Allegedly, later on in life he decided that anyone was capable of changing the race
These two countries were Russia and Germany.
Some African American men were used to fight in the war and actually volunteered or got deployed because not enough people were strong enough to make it past certain obstacles.
Many of them risked their lives and actually boosted the strength of the US military.
Some were only chosen as a last resort and many African Americans were not actually allowed to be in the military.