He pardoned Richard Nixon immediately of all crimes.
I believe the answer is: They worried about having to take part in future wars.
At that time, the united states senates prefer to take the position as a neutral force that want to avoid any intervention toward other countries' problems. This stand is taken away the moment the Japanese army decided to initiate an attack to the pearl harbour.
He thought that it addressed and solved the key problems in America such as: Direct Taxation, Destruction of the States, the establishment of an aristocracy, Standing Army in Time of Peace, Abolition of Trial by Jury, Lack of a Bill of Rights, and the difference between the states and the federal government.
Contacts with Muslim scholars and their preserved Greek and Roman texts brought the Europeans a wealth of knowledge about medicine, art, and government, much of which contributed to the "<span>a. Renaissance Era" since this was a new age of science and art. </span>