Bismillah Khan refused to start a shehnai school in the U.S.A. because he did not want to stay away from India. He was really fond of Benaras, the River Ganga and Dumraon.
An agreement between states in current times is called an interstate compact. However, previously these were known as a Treaty. An example of a Treaty still in place is the Treaty of Beaufort - which is between Georgia and South Carolina.
