Using the map, respond to parts a, b, and c. a. Briefly describe a broad historical development illustrated by the
shaded area on the map.
b. Briefly explain how a historical development illustrated by the
shaded area on the map contributed to social change in the United
States.
c. Briefly explain how debates over a historical development illustrated
by the shaded azlea on the map were different from debates over a
comparable development in a later period.