Why did german u-boats attack allied ships in the atlantic?

Several U.S. ships traveling to Britain were damaged or sunk by German mines and, in February 1915, Germany announced unrestricted warfare against all ships, neutral or otherwise, that entered the war zone around Britain. ... In the first few years of World War I, the U-boats took a terrible toll on Allied shippin

answer; i do believe that the (14th)fourteenth amendment is the correct answer

it took two men to wrestle rome back from chaos and turn a republic into an empire. in the first century bc, rome was a republic. power lay in the hands of the senate, elected by roman citizens. but the senators were fighting for power between themselves.