Cities populations grew rapidly as both immigrants and native-born citizens sought higher paying jobs.
Explanation:
This is the main change that the United States experienced between the Civil War and the 1920s. During these years, the United States welcomed many immigrants who were looking for a better life. This was due to the growth of cities and industrialization, which made it easier for people to find jobs in urban areas. People from rural areas of the country similarly moved to cities seeking higher paying jobs.
The United Nations Security Council is an important organ of the UN. It is the organ that makes important decisions regarding international peace and security.
It consists of 15 members out of which 5 are permanent members namely China, France, Russia, United Kingdom and United States. The remaining 10 members are the non-permanent members and are elected for two years term by the General Assembly.