Why did general sheridan choose to attack native american tribes in the winter?

Because in 1867, Ulysses S. Grant charged Sheridan with pacifying the Great Plains, where warfare with Native Americans was wreaking havoc.  In an effort to force the Plains people onto reservations, Sheridan used the same tactics he used in the Shenandoah Valley:  he attacked several tribes in their winter quarters, and he promoted the widespread slaughter of American bison, their primary source of food.  

Tribes were most vulnerable in freezing temperatures.

answer: c  

the factory goes out of business, causing the workers to lose their jobs.

explanation:

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