Answer:
World War 1
Explanation:
Germany's resumption of submarine attacks on passenger and merchant ships in 1917 became the primary motivation behind Wilson's decision to lead the United States into World War I.
Answer:
The North had geographic advantages, too. It had more farms than the South to provide food for troops. Its land contained most of the country's iron, coal, copper, and gold. The North controlled the seas, and its 21,000 miles of railroad track allowed troops and supplies to be transported wherever they were needed.
Explanation:
