Plz !

which statement is incorrect in regard to studying rome?

study of roman history is simple given the fact that there are balanced accounts.

there is plenty of fabrication.

romans embellished their past.

there are no public documents.

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.