Which of the following is not a check that the legislative branch has over the executive branch?
a. can impeach the president
b. approves presidential nominations
c. declare presidential acts unconstitutional
d. controls the budget

Can someone answer these question about vasco de gama for me: when? (when did he started his travel)from where & to where? (from where he was and then where he went to)motives? (what was his motives for traveling)accomplishments & discoveries? i will give you 15 star for answering all of these, you so much.