Answer:
Sinking of American merchant ships
Its declared decision on 31 January 1917 to target neutral shipping in a designated war-zone became the immediate cause of the entry of the United States into the war.
Explanation:
make me brainliest
Help new American industries compete with large established European factories. During the early days<span> of </span>industrialization<span>, </span>many members of Congress believed that tariffs were necessary to<span> help new American industries compete with large established European factories.
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The Columbian Exchange was when the old world (Europe) trade with the new world (America) items. for example: Old World had horses. So if Europe never came to America... we wouldn't have them. Or new world had tomatoes. If Europe didn't have tomatoes... We wouldn't have pizza or delicious Italian goods.
THe answer to the first question is the first answer
The answer to the second question is the thrid answer
