Why did the United States break diplomatic relations with Germany in 1917?

C. Germany declared unrestricted submarine warfare against all ships

Or

D. Germany offered to help Mexico recover Texas, New Mexico, Arizona

Match the following. 1. the time before the american civil war. deplete 2. an item of movable property. quarter 3. to reduce by destroying or consuming. malinger 4. during life. manumit 5. the act or process of setting free; release. chattel 6. to leave a country to live in another place. emancipation durante vita . a colonist who contracted to work for another colonist for a certain period of time. to pretend to be sick or injured in order to escape work or duty indentured servant 9. to release from slavery. antebellum 10. a certain part of a community: a place to live. emigrate