The correct answer is A. To guarantee American commerce with China. The us sent troops to participate in the multinational force that fought the Boxer Rebellion in 1900 to support U.S. trade goals by helping to preserve China as a nation. The Open Door Policy is a term in foreign affairs initially used for the United States policy in the late 19th century and the early 20th century that allowed for a system of trade in China open to all countries. Recently it is used to open up China to foreign businesses that wanted to invest in the country.
<span>Hello! During the Spain Golden Age, which was between the 16th and 17th centuries, the empire was based upon the mutual support of the Catholic church. Besides that, it's true to say that Spain became one of the greatest commercial power in Europe, with a centralized government, but it's wrong to say that the country turns on in a industrial potency, once there is no industry in early 17th. So, the incorrect one is: Spain became a leading commercial and industrial power in Europe. Hugs!</span>
