The Sumerians engaged in trade with their move of exchanging their surplus food for materials like the copper that they needed to develop their weapons and thus their army forces. This was a very smart move from their side because they managed to use the resource they had in abundance but was scarce in the other surrounding areas so that they take what they need to become stronger and pretty much defend more efficiently from the same people they were engaging in trade with.
The Office of Economic Opportunity (OEO) was created as part of the Economic Opportunity Act of 1964, and is often seen as the 'centerpiece' of the Great Society programs of the early-late 60's.
In the state and area where the crime took place. If a crime is committed in one area, it’s not fair for them to give a trial in an area in which the crime wasn’t located.
Look up the 19th amendment, it's stated pretty overtly that it's about ratifiying women's suffrage and extending the right to vote to all Citizens regardless of sex.