If you are asking about WW I era it is the Balkans.
It is us the Filipino who is the most greatest threat of Filipino Nationalism
They are a threat everywhere
nationalism
injustic anywhere is a threat to justic everywhere
Injustice anywhere is a threat to justice everywhere
What did Martin Luther King mean by injustice anywhere is a threat to justice everywhere?
They were a threat because the people could revolt and this could lead to the dissolution of the monarchy, if not counteracted.
Nationalism can take on various forms such as ethnic nationalism, civic nationalism, cultural nationalism, and religious nationalism. Each form emphasizes different aspects of a nation such as shared ancestry or culture, loyalty to the state, common traditions, or religious identity.
They do pose a significant threat, particularly to areas on or near the coast. In the westernmost parts of the state, not so much.
"Injustice anywhere is a threat to justice everywhere" - Martin Luther King.
Humans and human activities, particularly fishing are the biggest threats.
coup d'etat