The geography influenced the economic development of New York, Boston, and Charleston, because they were all ports and this helped with trade (both import and export). There were many ships coming in and coming out and also due to this, many communities started settling there and towns started booming due to the growing amount of people.
America's economy boomed.
The Triple Intervention was a diplomatic intervention between France, Russia and Germany.
"After President Nixon ordered the U.S. military to stop spraying Agent Orange in 1970, this is the site where all the Agent Orange barrels remaining in Vietnam were collected. ... Based on their research, Olson and Wright Morton recommend incineration of contaminated soils and sediments at the Vietnam airbase hotspots.