What achievement is portuguese explorer bartolomeu dias know for? he was the first explorer to sail around the southern tip of africa. he was the first explorer to lead a religious mission. he invented the astrolabe. he established a colony in siberia.

What is one reason the united states had a two party system

How did the supreme court decision in the slaughterhouse cause an affect american business

Which statement about submarine use in world war i is true? the allies never found a way to counter german submarine warfare. germany’s use of submarines affected the united states’ decision to enter the war. only the germans used submarines in world war i.