What did the enforcement acts of 1870 and 1871 were an attempt to weaken?

The Enforcement Acts of 1870 and 1871 were designed to weaken the Ku Klux Klan and other white supremacist groups that were using violence and intimidation to undermine the civil rights of African Americans during Reconstruction. These laws aimed to protect the voting rights of African Americans by making it a federal crime to interfere with their right to vote. They empowered the federal government to intervene in states where racial violence and discrimination were rampant, thus seeking to uphold the principles of the 14th and 15th Amendments.