What was the name of the bullet that changed the fighting and made the war deadlier than all other wars combined?

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;

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.

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office