The Eighteenth Amendment was the result of decades of effort by the temperance movement in the United States and at the time was generally considered a progressive amendment.
In a sales contract, the parties are the seller(s) and buyer(s) of the real estate, who are often called the principals to distinguish them from real estate agents, who are effectively their intermediaries and representatives in negotiation of the price.
Change the Listing Agreement: A listing agreement binds you to an agency to market your home for a specific period of time and to pay a commission. This agreement usually doesn't have specific or written commitments by the agency as to what they are going to do to earn the commission, only that it states that you own the commission if a sale occurs.