Calhoun was vice president of the United States in 1824 under John Quincy Adams and was re-elected in 1828 under Andrew Jackson. Jackson was for the Tariff of 1828 and caused Calhoun to be opposed to Jackson, which led to Calhoun's resignation in 1832.
Distribution of mineral deposits, all other options are related to its climate.
Answer:
I think its gravity but not sure
Collision is most likely to cause earthquakes
