The answer is C: Relative dating can only tell whether one rock layer came before or after another, while absolute dating can give the age in years.
They moved to different places that accepted blacks and started secret schools taught by willing whites.
I JUST KNOW NUMBER 6, SORRY
3 goals of the Radical Republican:
1) keeping Confederate leaders from regaining power
2) making the Republican Party strong in the South
3) helping African Americans achieve citizenship and suffrage in the South after the Civil War