<span>1909-1913 is the answer</span>
Answer:
The Correct Answer is
The exchange permanently changed the natural and human environments
Explanation:
Columbus underwent deep voyages and discovered present-day America. He also discovered the marine route which associated the old Eastern world to the new Western world.
After the establishment of the Sea route there was an exchange of goods with other countries started. But the negative impact was that people of Eurasia were not healthy with high levels of immunity.
The interchange of food supplies initiated the arrival of dangerous diseases too and a major part of the European, Native American, and Asian population died causing a shortage of human labor, this gradually leads to the slavery of Africans.
During the Middle Ages, the dominant religion was Catholic Christianity. There were other sects of Christians, some of which were considered heretical and some not.
A reason for the early success of the knights of labor was they allowed both skilled and unskilled workers to join.
