Covenants Part 11a - The New Covenant

At the Last Supper, Jesus used the term “new testament” to describe the covenant he established between God and mankind. He uses the word “new” to contrast the covenant to the one which Moses was the mediator.
1 Cor 11:25 (KJV) After the same manner also he took the cup, when he had supped, saying, This cup is the new testament [diatheke] in my blood …