A Is the correct answer the law protects any discrimination against older workers unless they have a contract saying you must retire
For Congress, a veto needs a two-thirds vote in both the House and the Senate (a simple majority). There are 435 members in the House, so that means you need 290 votes.
I hope this helps! :)
I think his major roles are to speak & notify the outside world on what's going on around the world & the United States.