How does a command or planned economy affect the citizens of a country that maintains this type of economy?

What was the national government’s biggest concern is facing a war under the articles of confederation

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.

Which two statements correctly describe how historians place their arguments in historical events?