Napoleon's continental system was designed to
a) reform the french judicial system
b) strengthen france's commercial connections with the united states
c) prevent england from trading with the european continent
d) promote free trade among european nations

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.

four sitting presidents have been assassinated while in office but the first was abraham lincoln,