The dragon backbone pump led to an increase in
a. farming
b. food surplus
chin
c. population size
d. all of the above

Which of the following is a claim about ancient rome that a historian could build san argument around

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.

March 1, 1836- texas declares independence from mexico march 6, 1836- mexico wins the battle of the alamo april 21, 1836- texas wins the battle of san jacinto which of these should come next in the timeline? a) mexican-american war begins b) civil war begins in the u.s. c) sam houston named president of texas d) texas becomes the 28th state of the u.s. eliminate