The purpose of the General Agreement on Tariffs and Trade (GATT) according to their preamble was to <span>substantial reduction of tariffs and other trade barriers and the elimination of preferences, on a reciprocal and mutually advantageous basis.This was signed by 23 nations in Geneva on October 30, 1947.</span>
To help them pay off their debts from war
Electromagnetic radiation with certain portion of electromagnetic spectrum
The No Child Left Behind Act of 2001(NCLB) was a U.S. Act of Congress that reauthorized the Elementary and Secondary Education Act; it included Title I provisions applying to disadvantaged students. Its replacement, the Every Student Succeeds Act, turned the remnants over to the states.