Even after a defeat at Vicksburg, Grant launched another attack because his career was in trouble without another victory.
Vicksburg was vital to a Union victory in the long run.
the Confederacy expected the Union to give up.
the Union navy could not win control of the city.

the anterior pituitary gland produces the following hormones and releases them into the bloodstream: psychotropic hormone, which stimulates the adrenal glands to secrete steroid hormones, principally cortisol. growth hormone, which regulates growth, metabolism and body       hope i

letter a is the answer

i think the answer is   b.