A- It established an agreement between Soviet U. ...
Answer:
Reconquista with 781 years or
Anglo French wars with 748 years
Answer:
The Cold War between the U.S. and Soviet Union originated from postwar disagreements, conflicting ideologies, and fears of expansionism. At both the Yalta Conference and Potsdam Conference, U.S. and Soviet leaders sharply disagreed over the future of the post-war world.

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The Cold War | Boundless US History
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Answer:
Yes.
Explanation:
"The senior senator, John Sharp Williams, fully supported President Wilson's call to arms."
source - http://mshistorynow.mdah.state.ms.us/articles/237/World-War-I-the-great-war-1917-1918-loyalty-and-dissent-in-mississippi#:~:text=The%20state%20of%20Mississippi%20was,President%20Wilson%27s%20call%20to%20arms.