which were provisions of the open door policy? check all that apply.

all foreign countries had to pay taxes equally.

foreign countries with spheres of influence in china were exempt from taxes.

only the chinese government could collect tariffs on trade.

countries with a sphere of influence should maintain free access to their ports.

the united states would oversee the continuance of the open door policy.

(100 points) project: progressive era research your topic and write at least seven hundred words to discuss one of the following topics. a. evaluate the impact of progressive era reforms. b. evaluate the impact of progressive reform leaders such as susan b. anthony or robert lafollette. c. evaluate the impact of third parties and their candidates such as h. ross perot and george wallace on america. note: as with any research you do, evaluate the validity of your source: a. who is the author? b. is the author an authority on the subject? c. how does the author use language? d. what sources appear in the author's work? e. from what you know or have learned about the author, is the presentation inappropriately biased?