What role did trade play in arab civilization

It was a way to also spread their religion, i hope this helps

The arab spreaded their religion :)

b) the confederacy had to pay all union war expenses.

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