Answer:
rfrfrg5yytyurtuffugyd tfn byb ubbycb
Answer: A primary positive effect of the Columbian Exchange is increased food supply of both the Old World and the New World. Various crops such as wheat, barley, and rye, were introduced by Columbus and his followers.
Explanation:
Modernization of Japan’s industry helped the country become politically and financially stronger.
There would be fewer hospital services, and research would decline