During reconstruction in the south poll taxes were use to ?

Deny African American citizens participation in government.

Explanation:

During the Reconstruction era in America, the South went through changes which resulted in anger to the white southerners. The rectification of three Amendments acts, including the 13th, 14th, and 15th brought hostile in the South because it gave the equal right to African American as the whites.The poll taxes used to disenfranchise African Americans.

nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei the fighting in iwo jima and okinawa affected the allies' pacific strategy because truman decided to drop the atomic bomb on mainland japan.