Answer:Nationalism can create enemies when:Excessive emphasis on national identity leads to xenophobia and exclusion.Nationalist rhetoric fuels hatred towards other nations or groups.Political leaders exploit nationalist sentiment to justify aggressive policies.Example:Historical Example:World War I's complex causes included nationalist tensions and rivalries between European nations, particularly between Germany, France, and Britain.Speech Example:"Ladies and gentlemen,Nationalism, when taken to extremes, can be a poisonous ideology. It creates enemies where none existed before. It fuels hatred and intolerance, leading to conflict and bloodshed.We've seen it throughout history, from the trenches of World War I to the modern-day conflicts in the Middle East. When we prioritize our own nation's interests above all else, we create divisions and foster resentment.Nationalism can lead to:Xenophobia and racismBorder closures and trade warsMilitary build-ups and aggressionBut it's not inevitable. We can choose a different path:Embrace global cooperation and diplomacyCelebrate diversity and promote inclusivityPursue mutual understanding and respectLet us recognize the dangers of unchecked nationalism. Let us strive for a world where nations collaborate, not collide.Thank you."Key points:Nationalism can lead to harmful consequences.Excessive national pride can create divisions.Inclusivity and cooperation are essential for global peace.Counterarguments and nuances:Nationalism can unite people and promote shared identity.National sovereignty is essential for democratic governance.Economic nationalism can protect domestic industries.When discussing nationalism, consider multiple perspectives and promote respectful dialogue.