How did the european system of spheres of influence threaten u. s. interests in china a. it blocked american troops from quashing the rebellion in china. b. it increased chinese immigration to the united states. c. it prevented the united states from gaining colonies in asia. d. it limited the ports for american trade in china.

The correct answer is option D. " It limited the ports for American trade in China". The system of spheres of influence is the phenomenon of one or more Nations intervening in the affairs of others countries. In this case European countries limited the ports for United States trade in China, in an effort to limite America and China expansion.

hello!

according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

hope this

this isn't a question and if you're going to list things be kind and use commas.