Answer:
The great depression and overall instability and lost glory after WW1.
Explanation:
Answer: D is right. But there are also many other reasons.
Explanation: League of Nations was formed by Allied powers (from the WW I) so consequently it was viewed as "League of Victors". Moreover USA did not join, may other states did not join and later on League of Nations was unable the prevent outbreak of WW II.
The Underground Railroad was the name of the escape routes used by slaves to escape the South and flee to the North. It was a network of special routes and safe houses that were used by both slaves and abolitionists who were sympathetic to their cause of escaping slavery. It started in the late 1700's and ended after the abolition of slavery. Canada was a popular destination, as slavery was prohibited their and had a longer border for easier access.
Andrew Jackson was, to some, a great president. However, his cruel actions outweighed his good ones. He was malevolent to people of other races, like many southerners from that time period. He stole money from the government for his own personal benefit. He sent the Native Americans on the Trail of Tears and he was very cruel to slaves. All in all, Andrew Jackson was a malignant person who should not have become president. In the next couple paragraphs, I will explain more about Andrew Jackson and his flaws and cruel actions. (You can use this as your introduction paragraph)
Hope this helped! Sorry it took so long by the way, I got distracted with my essay:)