it means to know someone or something is there
Labor unions and radical political parties had a limited presence in American society and could not mount a challenge to the dominant political parties.
Saving American lives was Truman's deciding factor for dropping the atomic bomb on Japan
The result was segregation to become law in the States.
Answer:
1. False - The KKK did the opposite of that by terrorizing African Americans in the south
2. True - Hiram Revels was the very first African American to become a member of the US Senate