At a minimum and end to

What does at a minimum and end to mean?

North Korea also said that it wouldn’t need nuclear weapons at all if its security were guaranteed, which seemed to open the door to a negotiated solution. The problem is that Pyongyang’s understanding of a security guarantee is likely vastly different than that envisioned in Washington, including at a minimum and end to hostile U.S. policies, economic sanctions, joint military exercises, and possibly even an end to the decades-long U.S. military presence in South Korea.