Why do you think iron mills were located beside rivers?

The reason why mills are often or usually located on rivers is because of the equipments of which the mills used such as grinding or sawing stones and other related materials that it needs are being powered by the water wheel in which rivers provides.

cd's

explanation:

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.