Which best describes the major change in the New England, and later on, in the
states in the north, with the onset and growth of industrialization?
a. Many people left the north due to pollution, crime, and unhealthy and cramped
conditions.
b. Shift from a primarily rural and agricultural focus to that of increasing
urbanization with industrialization growing in the urban areas.
c. Major shift in population as people left New England, leaving it mostly rural, and
moving to the mid western states in the north making them mostly urban
centers.
d. Shift from primarily rural to that of only large urban centers.

The correct option is b) Shift from a primarily rural and agricultural focus to that of increasing  urbanization with industrialization growing in the urban areas.

Explanation:

The Industrial Revolution can be described as the era in which the development of industries took place. Farmers started to move to urban areas in search of jobs in the industries to improve their standard of living.

Before the Industrial Revolution, people focused more on agriculture and farming. But as soon as the industries began to set up in the Urban areas, people migrated from the rural areas to the urban areas in search of better jobs.

i think the answer is a and i hope this ; ))