Adoption of democratic ideas from the russia

Which fact would this be, and how might you verify the truth?

And the spark struck out by that steed, in his flight, kindled the land into flame with its heat. what do you think he meant

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.