The lands of Africa were not explored at this time due to disease, foreign malitias, and transportation. They also were very secluded to their lands during this time.
Eli Whitney is credited with putting the concept of using mass-produced interchangeable parts into practice. He came up with this concept during a war, when he used these parts to create guns.
Theanswer is obviously me. duhhhh. joking. no oneknows the answers to everything. not living at least
