Which of the following is the best example of a check on presidential power?
a. the supreme court finding a law unconstitutional
b. the senate voting to pass a new law
c. the president negotiating an international treaty
d. congress overriding a presidential veto

terms in this set (38) portuguese explorer. in 1497-1498 he led the first naval expedition from europe to sail to india, opening an important commercial sea route.(sailed around africa to india).portuguese navigator who sailed around the cape of good hope and reached the west coast of india in search of spices.

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;