What enabled the Mongols to invade Kiev? Russian rulers were not strong enough to reunify Kiev.
The element of surprise worked in the Mongols’ favor.
Kiev’s territory was far too enormous to defend.
The Russian military gave up and surrendered.

In a democratic government, every citizen a. shares the wealth of the country equally b. shares the decision-making authority c. does not have any decision-making authority d. belongs to the political party in power

Why are people more likely to marry individuals with social and cultural backgrounds very similar to their own? a. parents and other family members always exert pressure to marry within the group. b. people spend a great deal of time alone, and therefore can have few opportunities for meeting people. c. people develop irrational fears of out-group members and are scared to date them. d. people have greater access to individuals like themselves.

Paleoanthropologists believe that the predominant diet of our earliest omnivorous ancestors consisted mostly of