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.
Dear Vere, A buyer agency agreement is a contract between you and your agent. You are basically saying, you will work with them exclusively for a set period of time in order to purchase a home. I do believe it is in your best interest to work with an agent who is familiar with the area you wish to buy in.