What were the improvements and influential individuals from 1820-1850 in the United States and what impact did they have on society?

During the 1820-1850 the American Economy. Owing to industrialization, immigration, geographical expansion, new technical developments and other factors, the U. S. had a turbulent, but the significantly growing economy in the 19th century.

Explanation:

Immigrants came to the US for freedom of faith and politics, for economic growth, and to avoid wars. Immigrants have adopted parts of American culture, and the Americans have embraced parts of the cultures of immigrants. The market revolution spurred exponential economic growth and new personal wealth, but it also produced a growing lower class of property less workers. These were some of the improvements and impacts held during 1820-1850 in the United States.