How did the impeachment of Andrew Johnson affect the reconstruction era

hi there

you're answer would be;

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.

Hope this answer correct

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.