What does Aristotle say humans must base actions on? Don't copy off the internet please my teacher will check for plagiarism

Aristotle says when actions appear useful either as ends or as means to an end in light of any of the previously named goods, they are performed for that purpose, furthermore Aristotle points out that actions should be guided by set goals in order to attain personal objectives.

four sitting presidents have been assassinated while in office but the first was abraham lincoln,

the gutenberg bible was and about 180 copies were sold/made