Well I see no documents but I can tell you Americans wanted to expand westward they even created a thing called "Manifest Destiny"
Don't take my word, but it could have been because they were closer to Austria
Drop nuclear warheads all over the Middle East till the whole place becomes a wasteland filled with radiation, instantly killing all terrorists even underground
Solve for one of the variables first ,, then whatever answer you receive from x or y , you then begin to plug it in to get other variable.
Answer:
this is an agreement among the member of a society for social benefits.
Explanation: