MANCHESTER, N.H.—Republican front-runner Donald Trump said Monday he would slash funding for the Department of Education and Environmental Protection Agency if he is elected president.

In an interview with The Wall Street Journal and New Hampshire’s WMUR at a local diner here, the businessman said he would do “tremendous cutting” of the federal government. Education policy, he said, should be returned to the states, and he said he would end the Common Core education standards, which conservatives view as federal overreach.

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