WASHINGTON—Republicans are charging ahead with a proposal endorsed by President Trump that would keep the government funded into the fall while reducing spending, setting up a clash with Democrats already steaming over sharp cuts to federal jobs and programs.

House Democratic leadership is opposing Republicans‘ plans to avoid a government shutdown next week, with leaders calling the proposal “not acceptable.” Government funding expires on March 14. GOP leaders are preparing to put a continuing resolution,

House Democratic leaders warned Friday that they won’t back a long-term extension of current funding levels, which GOP leaders are teeing up for a vote next week.  The top Democrats — Minority