Respuesta :
The correct answer is D) encouraged fair trade for all countries.
According to the open door policy, China’s ability to tax trade encouraged fair trade for all countries.
The term “Open door Policy” in China refers to the political and economic decision to open China’s border to international trade. It was Dieng Xiaoping who made the decision in 1978 to invite international investors to invest their money in China. That decision changed the life of China that nowadays are one of the strongest economies of the world and a forerunner in technology.