The correct answer is Malaria
Malaria was a huge problem since it couldn't be treated and people mostly died from it. It prevented numerous explorers from venturing into places like Africa where Malaria was running rampant due to the huge amount of mosquitoes. When it was discovered, it enabled numerous people to live at ease because they could not live with the disease or prevent getting it.
B. is the answer i got a good grade on it trust me
Answer:
He was responsible for Portugal's influence in the Great Age of Exploration. Because of him Portuguese explorers were the first to sail to Africa's Gambian river.
Shay's Rebellion highlighted major problems with the Articles of Confederation because State governments had difficulties fixing their economies and raising militias for defense. Shay's Rebellion highlighted the need for a stronger central government to prove for the economic welfare and civil defense of the newly formed United States.
