The Younger Dryas refers to a(n) . A. 400 year, from A. D. 800 to 1200, period characterized by warmer than normal conditions in the North Atlantic region (e. g., Greenland and Iceland). B. brief return to near-glacial conditions during the transition period from the last glacial period to the present interglacial period. C. global cooling episode, lasting from approximately A. D. 1250 to 1850. D. interglacial period, characterized by a general warming trend, lasting since the last glacial maximum (LGM) to the presen

the first phase of the government’s plan for settlement was building the transcontinental railroad. the railroad provided a way to bring settlers and manufactured goods west and ship their agricultural and mining produce east. the transcontinental railroad was an essential artery for rapid development of the frontier.

the second phase of the government’s plan was a liberal land distribution policy that made it possible for many people to homestead. with these two key elements—transportation and cheap land—the government rapidly achieved its goal of persuading people to move west, settle on farms, and push back the frontier.

d.

ell thats all i know

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