How was the event depicted in this image significant to the Civil War? A The Confederate defense of the besieged fort lengthened the war.
B The Union victory divided the Confederacy along the Mississippi River.
C The invasion of the Confederate capital resulted in the surrender of the Confederacy.
D The Confederate attack upon the Union fort initiated the war.

it is the alphabet B

Explanation:

because the invansion of the confederate capital resulted in the surrender of confederacy

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.