I assume there is a graph or diagram you are not posting
The best option from the list would be that "<span>B. economic and political problems in France," </span>sparked the French Revolution, since many people were upset with the vast amount of inequality that existed in the state due to a despotic king, although the American Revolution was hugely influential.
Answer:
Mongol ruler: over the largest land empire in history.
These things happened during the time of the Mexican Revolution. General Victoriano Huerta came after the assasination of Madero and Pino Suarez, but before that, Madero and Suarez were pushed to resign in 1913. The ouster of Huerta failed. The failure of Huerta's ouster resulted to a civil war.