I think it’s having to do social customs or habitual or customary usage
Answer:
I think it is C an increase in acid rain my apologies if I am wrong
Then you have military geniuses on the confederate side, Stonewall Jackson, Robert E Lee, and the more controversial leaders Nathan Bedford Forrest and Stand Watie. While they fought for the wrong side, they were great leaders. The north had generals and leaders like grant, Farragut, Mclellan, and Custer.
Answer:
(C) The tribal differences that caused the Apache and Navajo peoples to fight each other are not so different from the reasons European countries went to war hundreds of years later.