Scarcity is the fundamental problem facing all societies. It is the condition that results from society not having enough resources to produce all the things that people would like to have.
The Compromise of 1876 was a promise between Republican presidential candidate Hayes and Democrats in Congress. If the Democrats agreed to his election, he would recognize Democratic control of the South. Hayes also included a promise to withdraw troops from the south in his campaign
An auditor is in charge I believe
I believe it was their trading system that spread.