Answer:
True
Explanation: just took the test
This statement would be more or less correct I would say.
Nationalism inded did develop strongly in the 19th century, and also in a lot of cases led into the development of nation states. At the same time, powerful empires that existed in those times had often many different ethnic and political groups in their borders. All of these factors often led to different wars that were quite horrible.
It is broken down into 3 parts. That is protons, neutron, and electrons. Each of these parts has an associated charge, protons carry a positive charge, electrons have a negative charge, and neutrons possessing no net charge.
