In the late 1800s which factor directly contributed to the growth of the american steel industry?

What is a connection among sectionalism, slavery, and states’ right as cause of the civil war? how did the southern response to the 1860 election results demonstrate this connection?

What were the short-term and long-term impacts of the american revolution

Take another look at the population pyramid for france in 1950. notice the disparity between the male and female populations in the 55 to 70 year-old age group. what historical event could account for this disparity?