Final Answer:
If the president vetoes a bill passed by Congress, then Congress can override the veto with a Two-thirds vote in both the House and the Senate and the bill will become law against the president's wishes.
A) Two-thirds; both the House and the Senate
Step-by-step explanation:
If the president vetoes a bill passed by Congress, then Congress can override the veto with a two-thirds vote in both the House of Representatives and the Senate. This constitutional provision is outlined in Article I, Section 7 of the United States Constitution.
The requirement for a two-thirds majority ensures a significant level of support for overriding the president's veto, emphasizing the importance of broad consensus in such decisions. The intent is to prevent hasty or impulsive decisions to override a veto, making it a deliberate and well-supported action by Congress.
Thus the correct option is A