The question isn't complete and you might want to ask this in the math section.
But just to help you out, 3x means 3 times whatever "x" is.
Alexander Hamilton saw Britain as the most obvious trading partner for the US.
(Possibly because of the distance between US and Britain.)
Political party's unify the American people by having citizens with the same ideological beliefs that come together and set up boundaries for which to live by
The antislavery movement raised and grew because people kept finding reasons for why slavery is bad. This eventually led to conflict between people against slavery and people for slavery. Another reason why the antislavery movement raised and grew was because slavery has become less useful overtime, as we have machines.
