Answer: Explanation I agree
It called for the admission of California as a free state.
It strengthened the fugitive slave act.
It abolished slave trade in D.C.
By threatening a veto, the President can persuade legislators to alter the content of the bill to be more acceptable to the President. Congress can override a veto by passing the act by a two-thirds vote in both the House and the Senate. (Usually an act is passed with a simple majority.)