Which describes a change in the population that industrialize the u. s. in the late 1800s?

a.

many people moved from rural areas to urban centers.

b.

an increase in american indian workers led to more competition for jobs.

c.

advancements in farming methods allowed people to move so they could start new agricultural communities.

d.

the decrease of young people in cities led to the hiring of older and more experienced workers.

A. Many people moved from rural areas to urban centers.

Explanation:

In the last decades of the 19th century, a spatial structure emerged centered on a large and visible industrial pole: the Manufacturing belt (Northeast and Great Lakes). This area currently forms the largest urban-industrial concentration in the world, having as one of its characteristics the BOSWASH megalopolis (formed by the metropolitan areas of the Boston-Washington axis).

The population grew to about thirty million. They formed differentiated societies within the country. to the north and east came a powerful industrial and commercial bourgeoisie, along with a factory worker; to the south, the great aristocrats linked to large estates, monoculture, exportation and slavery predominated; In the Midwest, society was born from the pioneers, marked by the agricultural base and the livestock.

c it says nothing about connecting those 2 seas.

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.