LONDON — British Prime Minister Theresa May has made it clear: the U.K. will make a clean break from the European Union and leave its single market of some 500 million people. In her most direct remarks since the June 23 vote, May said Tuesday that Britain must regain control of its laws and borders, even as she called on the bloc to negotiate a free-trade agreement that will benefit both sides.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-NATIONAL_WORLD","nativepaywallcategory" : "NATIVE_PREM-NATIONAL_WORLD"};