After the war, he became the first African
American to serve

Hiram Rhodes Revels

Explanation:

Born free in North Carolina, he later lived and worked in Ohio, where he voted before the Civil War. He became the first African American to serve in the U.S. Congress when he was elected to the United States Senate as a Republican to represent Mississippi in 1870 and 1871 during the Reconstruction era

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the catholic church withhold people's access to the bible during the middle ages.

people could go to church and listen to the teachings, but it was absolutely forbidden to own and/or read the books of both the old and new testaments. it was also prohibited to translate the books (which where originally in biblical hebrew) to any other language.

this was done so the church could remain in control of what their teachings were and to enhance their importance and power, while also being able to judge people's actions through information that was unavailable for the general public.

our former president bush did 9/11