Which group was founded to prevent african-americans from exercising civil rights

the Ku Klux Klan.

Explanation:

It was formed as a resistance to prevent African-Americans from being equal. They used intimidation with violence directed at white and black Republican leaders.

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.