Describe how soldiers in the Civil War fought

Union soldiers fought to preserve the Union; the common Confederate fought to defend his home. Later in the war, increasing numbers of Federal soldiers fought to abolish slavery, if for no other reason than to end the war quickly.

1. i forgot 2. he was gay 3. they killed a lot of the population 6. they rode horses and had swords we have guns and tanks

i would think the answer is between b and d i would say d sorry if wrong