In our most primitive thoughts Democracy means something like if you have 3 people in a boat and two say lets go left and 1 says lets go right. The two override the 1 and the boat goes left.
In real life in the governance of Nation states Democracy seldom works this way.
Same thing with Free Trade. Everything from senior citizens in the United States ability or inability to buy their drugs from Canada, to China’s subsidization of industries , competing against non state subsidized industries in other countries, or the undervaluing of the Chinese currency to the US dollar point to arbitrariness of the term Free Trade.