Answer:
1) Submarine warfare in the Atlantic kept tensions high, and Germany's sinking of the British ocean liner Lusitania on May 7, 1915, killed more than 120 U.S. citizens and provoked outrage in the U.S. In 1917, Germany's attacks on American ships and its attempts to meddle in U.S.-Mexican relations drew the U.S. into the
2) The initial purpose for building the canal was to shorten the distance ships had to travel between the Atlantic and the Pacific Oceans. It enabled shippers to cheaply transport different types of goods within a short period of time.
3) The Spanish-American War was an 1898 conflict between the United States and Spain that ended Spanish colonial rule in the Americas and resulted in the U.S. acquisition of territories in the western Pacific and Latin America.
Explanation:
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