They believed that everyone should be able to speak their mind and have a say in public things such as campaigns, etc. They wanted everyone to feel included.
Why would you want to do such a dastardly thing? Michael Montagne John Adams was actually a very honorable man and U.S. President. Theoretically one could make a scandal case out of the XYZ Affair (hint, not a sex scandal). A rumor was started during the Adams vs.Jefferson Presidential campaign, that Adams' running mate Charles Pinckney went to France to procure "four pretty girls as mistresses", (apparently each man were to have two). When Adams learned of the charge he replied "I do declare,upon my honor if this be true, General Pinckney has kept them all for himself and cheated my out of my two."
The 7th amendment was put in to guarantee the right to trial by jury in civil cases. Trial by jury in criminal cases is guaranteed under the 6th amendment. For more comprehensive explanation, seek out Findlaw on your search engine.
The Constitution became effective when approved by nine states. Amendments I - X, known as the Bills of Rights, were proposed by Congress on September 25, 1789, and ratified on December 15, 1791 by Virginia.