Compared with Confederate soldiers, a challenge that Union soldiers faced during the Civil War was
boredom while in camp.
constant threat of disease.
fighting on unfamiliar terrain.
poor diet and nutrition.

The answer is C

Explanation:

In April of 1861, at the beginning of the Civil War, the United States Army was formed by only 16,000 professional men and many soldiers and officers from the southern states resigned to become part of it. of the Confederate Army that began to organize the nascent Confederate States of America (or Confederation). The Army of the Union was composed of ten infantry regiments, four of artillery, two of cavalry, and one of mounted infantry. These regiments were scattered extensively throughout the territory. Of the 197 companies in the military, 179 occupied isolated positions in the west and the remaining 18 served in garrisons east of the Mississippi River, mostly along the Canadian border and on the Atlantic coast.

answer: sorry but maybe take a pic of the map so nobody's confused

explanation:

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.