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.
Johnson’s administration established the Department of Housing and Urban Development in order to assist minority groups in the US, especially African Americans.
The primary way in which these nations built empires was through pure destruction. They would come into these small island nations and simply wipe out populations and take control of the government.
