What did the 15 European countries who met at the Berlin Conference in 1884
determine?

Berlin Conference 1884-85. (also known as the Congolese Conference and West African Conference) regulated European colonization and trade in Africa. in other words legalized the wars, exterminations and looting of an entire continent.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.

b europeans take corn to africa. corn becomes an important crop there.