Based on the graph and your knowledge of U. S. history, what resulted from the change between 1850 and 1860? (15 points)

A. Better transportation,
improved sanitation, increased conflict

B. Less poverty, increased violence, more housing

C. More work opportunities, higher quality housing,
disease

D. Overcrowding, increased disease, poor sanitation

answer: d. joseph james clark​

explanation:

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.

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