I'd think that one advantage of nationalism is the unity it builds among people who share the same nation, who start to think of each other as co-citizens.
One disadvantage of nationalism is the hate can be directed against outsiders.
I believe that the best answer for this question is Baron de Montesquieu. He was a French philosopher who lived in the Age of Enlightenment. He popularized the idea of dividing the government into three separate powers, which is also known as the "trias politica" or the "tripartite system." The three systems that he supported where the legislature, executive, and judiciary systems. Hope this helps.
True is my answer
please can i have a brainliest
Answer:
The battle that convinced the French to join the Americans
Explanation: