The primary reason why most advanced nations want to retain or develop an arsenal of nuclear, biological, and chemical weapons is to deter other nations from using them against them.
By offering help. Red Cross is always there after a natural disaster.
Answer: The treaty was an important diplomatic success for the United States. It resolved territorial disputes between the two countries and granted American ships the right to free navigation of the Mississippi River as well as duty-free transport through the port of New Orleans, then under Spanish control.
Explanation: I read an article and summarized it for you