The Civil War harmed ranching in the Indian Territory by . A.
encouraging conflicts between tribes
B.
introducing Texas fever to tribal herds
C.
allowing tribes to lease land to ranchers
D.
creating large cattle trails

I believe the answer is gonna be A. Encourage conflicts between tribes.

Explanation:

Some Indian tribes, like the Cherokee took the confederate's side later in the war, where as the Creek Indians fought for the Union.

Hope this helped. Sorry if it didn't.

The answer is A.Tribes cooperated with each other more because of the war.

Explanation:

I just took the test with 10 min to spare

b. major john c. frémont led a rebellion called the bear flag revolt.

explanation:

during the bear flag revolt, from june to july 1846, a small group of american settlers in california rebelled against the mexican government and proclaimed california an independent republic. the republic was short-lived because soon after the bear flag was raised, the u.s. military began occupying california, which went on to join the union in 1850. the bear flag became the official state flag in 1911.

the answer is c, all the other options are things they are known for.

hope this ☺️