Lofty ambition means high hopes
You need to get on top of your stuff.
you need to stay in school and get good grades and if you have a hard time with that then you need to take notes and study. a lot.
you need to focus on your career after college and don't let anyone get in your way or you won't get where you deserve to be.
The answer would be - slang words and phrases. American and British English often differ greatly in such words as: highway (AmE) = motorway (BrE), or cookie (AmE) = biscuit (BrE), or diaper (AmE) = nappy (BrE), etc.
The answer is the first choice, they conflicted over land.
