Historians often rely on both primary and secondary sources when supporting an argument, since it's important to use secondary sources to put the argument in context, and primary sources in order to make an original point.
#1: voter fraud
#2: They want their voices to be heard on the issues
Hope that helps ya!
The Proclamation announced the acceptance of black men into the Union Army and Navy, enabling the liberated to become liberators
They are encouraged to read the Talmud