By 1920, more Americans lived in cities than in rural areas. What was one explanation of this change?
The growth of railroads caused towns to spring up along their routes,
Industries tended to develop and grow in key cities, Factories needed large numbers of workers. People moved into the cities to work
in those factories
O Most farmers moved from rural areas into cities, where they bought small plots of land, They grow food for their own families there
The government wanted cities to grow, so it pold Immigrants from Europe to move into the cities,

the industries grew and gheir were more jobs that weren't farming so they moved into the cities

Explanation:

the recent bombing of the uss cole is one of many incidents of terrorism directed against the united states. more than 40 percent of the world’s terrorism is directed against u.s. targets.   pursue the alleged perpetrators through the criminal justice system, and still others would beef up intelligence capabilities. to deal with potential attacks involving weapons of mass destruction, some analysts advocate extending the reach of law enforcement agencies or spending more on domestic preparedness programs; others would encourage a policy of u.s. military restraint overseas to attempt to reduce the motivation for terrorist attacks on u.s. targets.