After the Civil War, it was very important to defines how to reintagret the confederate states into the Union.
Civil war was won by the North.
Question the federal gov had to tackle after the Civil War :
How to re-integrate the Confederate States into the Union ?
Which status should be given to the freed slaves ?
Conditions for the Southern States to re-integrate the union was the obligation for them to ratify the so called “Reconstruction amendments”
Renconstruction amendment : The 13th Amendment
(adopted in 1865, abolishing slavery).
Reconstruction amendments : The 14th amendment
(adopted in 1868, granting citizenship to all men)
Reconstruction Amendments : The 15th Amendment
(adopted in 1870, granting the right to vote to all men)
As any amendment to the U.S. constituion the Reconstruction amendments had to be ratified by ¾ of the states.
Meaning of being re-integrated :
to send representatives and senators to the US congress (then you have a day in the decision progress)
Lincoln died in 1865
The purpose of the republican party was
to build the american society anew based on the principles of the founding fathers.
In the South, some states tried to circumvent the federal legislation by adopting state laws trespassing on the rights of african americans (Black codes, Jim Crow Laws).
Reaction from the federal Congress after southern states tried to circumvent the federal legislation by adopting state laws : adoption of further acts (1866, 1871, 1875 Civil Rights Acts)
Why did the Congress adopted further acts ?
To punish any infringement on the newly freed slaves's rights
To reaffirm their judicial protection
To protect African-Americans from the violences of the KKK
The US congress thus asserted the precedence of the federal laws over any state laws.