Describe the positives and the negatives of nationalism

On one hand nationalism can be a unifying force that allows the people of one country to band as one against one common enemy. On the other hand, nationalism breeds an "us versus them" mentality and as such requires scapegoating and may lead to breaking or degrading ties with other countries. These scapegoats are usually the minorities of whatever the leaders of the nationalistic movement deem, whether it be the Jews in Nazi Germany, or immigrants coming into Europe.

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.