What was the most significant use of german submarines during world war i?

Germans used submaries to shoot down any ship entering their waters. They shot down multiple US citizen ships during the war

Explanation:

remember the people who sacrificed their lives at gettysburg

mark me brainiest

one central belief of buddhism is often referred to as reincarnation -- the concept that people are reborn after dying. buddhism is a philosophy of life expounded by gautama buddha ("buddha" means "enlightened one"), who lived and taught in northern india in the 6th century b.c.