Striking hotel workers ratified a contract with Marriott International, the union said Thursday. The pact could pave the way for a resolution of the 2-week-old work stoppage at more than two dozen Chicago hotels. “Marriott signing just puts a lot of pressure on the other companies,” UNITE HERE Local 1 union organizer Jairo Nunez yelled through a bullhorn outside the Hyatt Regency on Thursday, as picketing workers paused their banging and chanting to cheer the news. “This is proof that we can do it, so we have to keep fighting.”