Which of the following is a check and balance held by congress over the executive
branch?
1) the senate must approve treaties negotiated by the president by a two-
thirds vote.
2) the house must approve treaties negotiated by the president by a two-thirds
vote.
3) congress must approve treaties negotiated by the president by a two-thirds
vote.
4) the senate must approve treaties negotiated by the president by a simple
majority vote.