The answer would be the first one because during the Nullification Crisis, he sided with the south and agreed with them that they shouldn't have to follow a law they believed to be unconstitutional.
The answer is d all was in it except serbia
First of all, the Spanish (along with the rest of the large European countries at the time) had guns and other military technology. With the advantage of having gunpowder, the Spanish were able to relatively easily conquer the indigenous peoples in the Americas. Another point is the Spanish military training; the American civilizations had no military training that matched the strict codes of the European countries, so the precision of the Spanish helped them conquer.
It would be easier to read