Nationalism threatened to tear apart what kind of empires? A. Militarily weak empires
B. Large ethnically diverse empires
C. Small, geographically concentrated empires
D. Wealthy trade empires
Reset Selection

B

Explanation:

I think b is the correct answer for this . ☺☺☺☺but i am not so sure.☺☺☺

there has only been 12 presidents. the 12th president is/was moon jae-in

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.