What characterized trench warfare in WWI? *

The Western front was best characterized by trench warfare. The armies dug into the ground, both sides constructing elaborate trench networks. This caused them to reach a stalemate for most of the duration of the war. The Western front was later reinforced by the arrival of the Americans.

Explanation:

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the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.