Answer:
E. A, B, and C
Explanation:
Not only does El Nino cause heavy rains and floods, it also causes severe droughts in areas such as Brazil, Indonesia, and Australia.
C
It was to raise environmental health concerns that directly impacted American Indian reservations.
I believe that it was A, they were unprepared and disease rampaged throughout the settlement killing more then the natives or anything else could ever do. Please Mark As Brainliest
Answer:
Slavery played the central role during the American Civil War. The primary catalyst for secession was slavery, especially Southern political leaders' resistance to attempts by Northern antislavery political forces to block the expansion of slavery into the western territories
