T<span>he term “supply-side economics” is used in two different but related ways. Some use the term to refer to the fact that production (supply) underlies consumption and living standards. In the long run, our income levels reflect our ability to produce goods and services that people value. Higher income levels and living standards cannot be achieved without expansion in output. Virtually all economists accept this proposition and therefore are “supply siders.”</span>
Explanation: Without something being written down as a law to follow through with people could do whatever they wanted. But Lincoln was smart and he pushed for the 13th amendment so that everyone in the United States was forced to oblige.