What can happen if the president chooses to veto a law that has been approved?
the law returns to being introduced in one of the houses,
the president's decision can be overridden by a majority of congress.
the law is rejected and cannot be reconsidered.
the president's decision is scheduled for review within a year.

Which of the following was not an important contribution made by the lewis and clark expedition? a. they made detailed descriptions of the terrain of the louisiana territory. b. they fostered relationships with native american tribes. c. they advanced the u.s. fur trade with european buyers. d. they secured the u.s. border of the oregon territory by negotiating a treaty with england.