Answer:
b. they were ruled by emperors
The Aztec and Inca had a common structure in that they were both ruled by emperors.
To forbade all settlement past a line drawn along the Appalachian mountains
Answer:In 1865 President Andrew Johnson implemented a plan of Reconstruction that gave the white South a free hand in regulating the transition from slavery to freedom and offered no role to blacks in the politics of the South. ... The end of the Civil War found the nation without a settled Reconstruction policy.
Explanation: sorry I don’t know
