Question 1
Recent genetic evidence suggests that there were how many groups of migrations from Asia to the western continents?
a. just the Paleo-Indian
b. the Paleo-Indian and the Na-Dene
c. Paleo-Indian, Na-Dene, and Eskimo-Aleut
d. Na-Dene, Eskimo-Aleut, and Columbian
Question 2
The isolation of western farmers was lessened by
a. long drives and declining prices for beef.
b. the use of barbed wire and the expansion of the railroads.
c. a high ratio of women to men and the wide use of machinery.
d. the expansion of mail-order companies and the availability of Rural Free Delivery.