The answer is B. Germany's invasion of Poland.
Answer:i agree
Explanation:As he explained in his memoir The Rise and Fall of the Confederate Government, Davis believed that each state was sovereign and had an unquestionable right to secede from the Union. ... South Carolina adopted an ordinance of secession on December 20, 1860, and Mississippi did so on January 9, 1861.
Answer:
The main reason the US joined WWII was because of the attack on the pearl harbor base in Hawaii.
Explanation:
Hope that helps!
The economy is the best answer because its the biggest factor worldwide.