Which theme of geography is best exemplified by the statement? In the 1970s the Chinese planted barrier tree lines along
the edge of the Gobi desert in order to slow the desert's
expansion.
A. Region
B. Location
C. Human-Environmental Interaction
D. Place

Short answer/constructed response: respond to the question in 3-5 complete sentences. give details or examples to support your answer. attempt to answer all parts of the question in paragraph form! using the source 1 map, pick two of the 1800's territorial acquisitions you believe were the most important in the development of the united states. provide at least two reasons per territory to explain why you think they were the most important.