What was the main point of the Military Reconstruction Act of 1867?

What event had weakened florida’s economy immediately before the start of the great depression? a) the freezing of orange trees b) the end of florida’s land boom c) the start of another world war d) the building of florida’s railroads

1. what was the purpose of the communist international organization?

What was the overall impact of eli whitneys introduction of interchangeable parts?