Is that the full question?
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.
A)a new defensive tactic known as trench warfare
Trench warfare allowed the war to drag on for long periods of time because of the stalemates that ensue from the opposing armies refusing to give up the land under their controls, resulting in high casualties in no man's land.
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A president should do good to both the parties of the negotiation, goals should be met and should come to an end where one country over powers the other.
<u>Explanation:</u>
While negotiating a treaty, the President of a country should make sure that all the purpose for which the treaty has been signed should be made met. When one country over powers the other, the treaty should not be signed. It should do good for the development of the country and to the citizens of the country.
