By Alessia Passafiume and Dylan Robertson Canadians took to parks and civic squares across the country Tuesday to show unity on Canada Day, amid American threats, economic uncertainty and Western alienation. “We’ve decided not to pull apart and fight, but to come together and to build. Because that’s the Canadian way,” Prime Minister Mark Carney said to thousands of Canadians gathered in Ottawa. This year’s festivities at Ottawa’s LeBreton Flats Park got the royal treatment, with Prince Edward praising Canada’s unity and accomplishments. “Seeing this sea of red and white, there is only one sense that I have here,” the Duke of Edinburgh said. “Today is truly a celebration of you, and your home and your land, strong and free.” Leaders gave speeches interlaced with musical performances, Indigenous cultural demonstrations…