Iron and steel (1 янв 1870 г. – 1 янв 1900 г.)
Описание:
In the 1870s heavy iron and steel industries emerged in areas such as western Pennsylvania and central Alabama where there were abundant supplies of iron ore and coal. By 1900 the United States had become an economic powerhouse, and industrialization had began to spill over into Southern CanadaДобавлено на ленту времени:
Дата:
1 янв 1870 г.
1 янв 1900 г.
~ 30 years