Please please help How was the H. L. Hunley used during the Civil War? *
A. It was a Confederate ship used by Robert Smalls to gain his freedom.
B. It was a Union submarine to help strengthen the blockade.
C. It was General Sherman's secret weapon used to impose total war.
D. It was a submarine used to attempt to break the Union blockade.

it is D

Explanation:

Hunley, byname Hunley, Confederate submarine that operated (1863–64) during the American Civil War and was the first submarine to sink (1864) an enemy ship, the Union vessel Housatonic. The Hunley in a water tank at the Warren Lasch Conservation Center, North Charleston, South Carolina.

answer; ///south carolina is the correct answer;

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.