Https://foreignpolicy.com/2015/10/05/irans-identity-crisis/
Answer:
environmental factors such as resources available
Explanation:
I don't know if you mean the equation simplified, but the first property to any equation or expression is "given." (without the quotation marks, of course.)
There are six key goals stated by the Founders in the Preamble. "Form a more perfect Union, establish Justice, insure domestic Tranquility, provide for common defense, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity."