period 9 (1 янв 1865 г. – 1 янв 1900 г.)
Описание:
The Second Industrial Revolution caused massive economic and social gaps between groups in America. Disadvantaged communities responded by organizing and protesting against these disparities.Добавлено на ленту времени:
Дата:
1 янв 1865 г.
1 янв 1900 г.
~ 35 years