The answer is A nativists I did research on that
Climate changed colder and wetter,people weakened by hunger and were led to diseases
Answer:
Economic depression and extended drought contributed to the dust bowl.
Explanation:
The South was fighting a defensive war. The confederates prefer a defensive doctrine to defeat the numerically superior Union forces and to invite foreign powers especially Great Britain in their side thus winning the war against the Union forces in the American civil war.