Your answer is "A" because of him finding Americas first Amerigo was the one.
Answer:
abacus
Explanation:
Focus On. There is a long history detailing the invention of computing and calculating machines. The earliest recorded calculating device is the abacus. Used as a simple computing device for performing arithmetic, the abacus most likely appeared first in Babylonia (now Iraq) over 5000 years ago.
Answer:
Businesses grew and advanced to a certain point where workers' rights were sacrificed in favour to profit and economic growth. Many industrials saw the oppouruity for profit and generating more wealth. The protection of workers rights and the increase of their own economic empowerment were not factors in the equation. Through this the antagonism between business and workers developed and advanced.
Explanation:
I'm guessing they have less effective medical treatment and more mosquitoes.
