To Contain Communism and Maintain a strong image.
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.)
One of the results was the new things that the European people have produced, and they sought for them to get the colonies from Africa and in Asia. And because of those things that has happened, they left a gigantic amount of estate, enough for them to make British empire to civilize the nations.
