Answer:
in order to avoid any form of betrayal or deceipt, they need to set on rules to avoid loopholes or betrayal, it could also provide proof of the agreement and ensure that everything was done efficiently and without mistakes
1. gulf of tonkin incident
2. truman doctrine
3.containment of communism
probably a little off but it'll lead you in the right direction.
(I was literally learning this a couple months ago and my memory is a little rusty)
The completion of transcontinental railroads in the United States and Canada
<span>The reason and cause of the crusades was a war between Christians and Muslims which centered around the city of Jerusalem and the Holy places of Palestine.</span>
