Roles of feudalism in Europe during the medieval age

Describe the differences of 89 and x is 47

Why was the united states motivated to establish the open door policy? a. the policy guaranteed american commerce with china. b. the policy supported the chinese nationalist cause. c. the policy led to a gain of american colonies in asia. d. the policy claimed damages from the chinese.

Ineed with my dbq, i basically just need to bs it the whole way through because my apush teacher sucks but i literally don’t know how to contextualize well and i just need