The Strategic Arms Reduction Treaty (START) number one was designed to reduce the number of nuclear weapons. It was signed July 31, 1991 and went into full force by 1994. Eventually it was to control and remove warheads and nuclear weapons. Start 1 achieved an 80% removal which was considered to be a success. Other treaties followed.
The Consitiution. Inflamed by the king's stonewalling of their appeals, the Founders embedded the right to petition into the Constitution by way of the First Amendment.
"The Silk Road was an ancient trade route that linked the Western world with the Middle East and Asia. It was a major conduit for trade between the Roman Empire and China and later between medieval European kingdoms and China."