George Mason contributed to the United States Constitution by becoming the chief supporter of the Bill of Rights.
Mason was a delegate to the<em> US Constitutional Convention</em> of 1787. However, at that time, he refused to sign the Constitution alleging the inexistence of the <em>Bill of Rights</em> and objecting the slave trade for navigation acts. Finally, he succeeded to introduce the draft that will served as the basis of <em>the United States Bill of Rights</em> during the First Congress in 1789.
D. It allows citizens of many European countries to freely travel across the continent.
Answer:
Pools that are lined with vinyl are built with metal or plastic frames above ground or set into the excavated hole. Prefab supporting walls or panels made of plastic, steel, or aluminum are joined to the frame, making a form that is then lined with heavy vinyl to form the pool shell.
Explanation:
