43. Which of the following signaled the end of Reconstruction?
A) Compromise of 1877
B) passage of the Fifteenth Amendment
C) readmission to the Union of the first Southern
State
D) readmission to the Union of the last Southern
State

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.

mass production/ assembly line production