<span>Yuan Dynasty after Kublai Khan's death-began to fade, families argued over who would rule & Chinese rebels overthrew the Mongols</span>
Austria declared war on Serbia in a calculated response to the murder of Archduke Franz Ferdinand. There was much blame on both sides as to why war came about and what the true cause was, but the murder was the reason used.
Answer:
Kahirapan at ang pagkawala ng mga mahal niya sa buhay.
All German Americans were required to join military armed forces. To those who hadn't signed up, were imprisoned.
But apparently, in many sources, it states that German-Americans in both Germany and US, were imprisoned. Sad truth :(
The Nullification Crisis was a conflict between South Carolina and the federal government. South Carolina felt states had the right to nullify federal laws.
The answer is the last one.