I think it would be C. Not sure thought get a second opinion
Constant artillery barrel fire.
Explanation:
- In early April 1861, North Carolina authorities demanded that the Union Army leave Fort Sumter, a fort located in an area that was no longer considered part of the Union.
- The Union refused to relinquish the fort, and when the deadline for the ultimatum passed, the Confederate army launched an artillery barrage, which lasted until the surrender of the fort.
- No direct life was lost on either side in direct conflict.
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They made diplomatic relations between the U.S. and the Soviet Union possible
By declaring themselves an independent nation, the American colonists were able to confirm an official alliance with the Government of France and obtain French assistance in the war against Great Britain. ... Independence would be necessary, however, before French officials would consider the possibility of an alliance.