I think you mean the Golden Spike which is the ceremonial final spike driven by Leland Stanford to join the rails of the First Transcontinental Railroad across the US connecting the Central Pacific and Union Pacific railroads in 1869 in Promontory, Utah.
It is the Tea Act that was issued to raise money for the British east India company
Answer: United States in December 1966. Marigold was an effort by Italy and Poland, with Soviet backing.
Explanation: However, the Marigold peace initiative was by no means the first effort to arrange peace talks between the U.S. and North Vietnam, nor would it be the last. Regular “unofficial” talks between the two opponents did not begin until May.
