Question

write about the two important developments had taken place in 19th century America?​

Answer 1

The economic history of the United States is about characteristics of and important developments in the U.S. economy from colonial times to the present. The emphasis is on economic performance and how it was affected by new technologies, especially those that improved productivity, which is the main cause of economic growth. Also covered are the change of size in economic sectors and the effects of legislation and government policy. Specialized business history is covered in

Answer 2

Explanation:

my history book is same as yours so please send me solutions of chapter 4 ex.

I will send you if you want help than you can ask me in my any answer