"Walles and Abbas both knew what to expect from Hamas if these instructions were followed: rebellion and bloodshed. For that reason, the memo states, the U.S. was already working to strengthen Fatah’s security forces. “If you act along these lines, we will support you both materially and politically,” the script said. “We will be there to support you.” Abbas was also encouraged to “strengthen [his] team” to include “credible figures of strong standing in the international community.” Among those the U.S. wanted brought in, says an official who knew of the policy, was Muhammad Dahlan."