It is d. he planned to retire the national debt by paying it down.
Answer:
B
Explanation:
The disaster immediately strained relations between Germany and the neutral United States, fueled anti-German sentiment and set off a chain of events that eventually led to the United States entering World War I. Germany broke naval rules.
<span>george washington carver
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Some causes and effects of European exploration is:
1. They brought diseases to the U.S and Africa which effected those people and causing them to die
2. They found Africans and wanted their gold and money which effected them to start the American slave trade
And many other reasons....