OTTAWA — Prime Minister Mark Carney praised the “dynamic” United States and argued that the country’s economic future “should include a new partnership with Canada,” in a conciliatory speech to an American audience on Thursday. Carney highlighted the mutual benefits of the cross-border relationship, saying that “Canada Strong will help make America great again,” during a lunchtime speech at The Economic Club of New York in New York City. Although some Republicans in D.C. have accused Canada of not being serious about getting a deal done with the U.S., with an upcoming Canada-U.S.-...