If you are referring to the United States, the answer is probably the Vietnam War.
Answer: Water sources and pesticides/ herbicides use
Explanation:
The usa economy and gdp grew with an astonishing figure of 150$.
socially, the moderate Republican signed several Human rights legislation and enforced the supreme courts ruling in arkansas on school segregation.
The leader however exercised caution and stock piled nuclear arsenals, which he beleved were cheaper to maintain than a huge army. he also financed world dictators such as the shah of Iran as a cautionary measure to check on the spread and domination of soviet communism sphere.
<span>The British Civil Service examination system
The United States Civil Service Act of 1883, in part, imitated the British Civil Service examination system. The U. S. Congress envisioned a system based more on practical qualifications rather than the academically based British examinations, however.</span>