Answer:
The OPEC oil embargo was an event where the 12 countries that made up OPEC stopped selling oil to the United States. The embargo sent gas prices through the roof. Between 1973-1974, prices more than quadrupled. In response to the oil crisis, the United States took steps to become increasingly energy independent.
Explanation:
Well that depends on who thoight the activities were positive
Answer:
Many nations agreed to stop using chemical weapons after World War I.
Explanation:
The use of chemical weapons during World War I had devastating effects on humanity; both on the aggressors and aggrieved. It killed hundreds of thousands and gave many others, after-effects that lasted them decades.
The Chemical Weapons Convention (CWC) control treaty was put into force on 29th April 1997 where production, stockpiling, and use of chemical weapons was outlawed.