Answer:
Vietnam: War's Lasting Legacy. More than three decades after the Vietnam War ended, the Vietnamese people continue to live with the consequences of Agent Orange, a defoliant that has come to symbolize the unintended consequences of warfare.
Explanation:
Samuel Slater invented the cotton gin which cleaned the cotton faster.
The United States first began developing nuclear weapons in 1939, during World War II, under the order of President Franklin Roosevelt. Motivation was the fear that US was engaged in a race with Nazi Germany to develop nuclear weapon. This project is best known as Manhattan Project.
There were many obstacles to overcome in building the canal. The dense jungle, The elevation of the mountains, Getting the soil and rock out of the way, The difference in tides between the Pacific and the Caribbean. and diseases like Malaria and Yellow Fever. I hope this helps you out and have a good day. :)
