Unrestricted submarine warfare, which became prominent in World War I, meant that submarines could sink any time of vessel at any time without warning. Before this, they had to surface first and place crews on lifeboats.
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I think is A or B
Answer:
The Coercive acts was a act that had 5 laws. The British government had a purpose of restoring authority in its colony. It also lead to the start of the Boston tea party
I dont know this one sorry
The correct answer is Ho1 Chi Minh.
Ho1 Chi Minh was a Vietnamese communist revolutionary leader who would later become the leader of Vietnam.
(Adding 1 because of filter)