Are there any answer choices if not i would go with monarchy like the British Empire.
Isolationism caused the United States not to join the League of Nations in 1918.
I hope this helps!
Have a nice day!
~Maddie
The wall separated East Berlin and West Berlin. It was built in order to prevent people from fleeing East Berlin. In many ways it was the perfect symbol of the "Iron Curtain" that separated the democratic western countries and the communist countries of Eastern Europe throughout the Cold War.
while the chernobyl and gulf war killed thousands the wall was still way worse.
It depends on the situation, but in a definitional sense, irrendentism is more valid.