The opium wars forced the Chinese to open Chinese ports to western governments and made the trade in opuim legal .
The United States entered WWII after the Japanese bombed Pearl Harbor.
"A" would be the correct answer. Even though the main goal of the voyage was to find a different sea route to Asia. Bartolome and other Portuguese explorer have also made stops along the African coast and started to realize how could of an alternative they would be compared to the Mediterranean trade routes.
I'm positive with the answer tho
Answer:
There are three main reasons why the Spanish were able to conquer and colonize the Americas: Disease. ... While conquistadors like Hernan Cortes in Mexico and Francisco Pizarro had great weapons and strategies, their greatest ally was disease. Better weaponry.