The Federal Government passed laws such as the 13th-15th amendments while the state governments passed laws like the Black Codes and Jim Crow Laws all during Reconstruction. Why did both the state and federal government pass such opposite laws at the same time?

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.

protectionism fosters competition and keeps price regulated is not an argument in favor of protectionism.

answer; technology;