I think it determines your progress at something. It determines on what you can, or need to improve, or possibly change.
Answer:
They proceeded to arrest immigrants, and deny them court proceedings. Those who spoke out against the war would get heavily fined and possibly jail sentences up to 20 years. The freedom of speech and the right to protest was being stopped. Because of this Congress enacted 2 Acts. Espionage and Sedition Acts
Explanation:
Depending on a few factors, Yes Nationalism is a positive force. When under control and in reason Nationalism only offends people who hate or dislike your Nation. Left unchecked and you will have evil people who want to abuse the peoples nationalism like Germany for example. That is what happens if you leave Nationalism unchecked and someone abuses the peoples spirits. If you need additional help or explanation Just let me know im here to help out.