Which was a major cause for the entry of the U. S. into World War I?

Germany's decision to resume unrestricted submarine warfare

Explanation:

Germany’s decision to resume unrestricted submarine warfare was an immediate cause for the entry of the US into World War I. While the timing was great, Russia's exit from the war was not a factor in the U.S.'s decision to enter.

b toward the volcano.landward. the landward side of something is the side nearest to the land or facing the land, rather than the sea.

a.opium

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