<human>:  Who was the first person to be in a contractual relationship?
<bot>: The first person to be in a Contractual relationship was Abraham Lincoln. Lincoln signed the Emancipation Proclamation on January 1, 1863, which freed all slaves in Confederate territory. Lincoln believed that slavery was morally wrong, and that it was unconstitutional. Lincoln signed the proclamation because he believed that it was the only way to end the war. Lincoln was also in a Contractual relationship with the US government. The government paid Lincoln $400 per month, plus $100 for each day that he was in office.