U-boats
were used primarily to

answer:

Sink ships

Explanation:

Germany used the u boats in the war to sink ships. Some were enemy ships but a lot were merchant and tourist ships. The US invented depth charges to destroy the U boats later in the war

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.

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