the league of Nations was an alliance with the mission to stop wars in deal with stuff diplomatically. the United States Senate wanted to go back to being isolationist.
The Ottoman wars in Europe were a series of military conflicts between the Ottoman Empire and various European states dating from the Late Middle Ages up through the early 20th century.
But I would tell about the main one which change the face of Europe.
1453 — fall of Constantinople that was a great start to conquer Europe.
The attackers were commanded by the Sultan Mehmed II, who defeated an army commanded by Emperor Constantine XI Palaiologos and took control of the imperial capital, ending a 53-day siege that began on 6 April 1453.
A. Wudi
-The Emperor Wu (141-87 BCE) finally abandoned Legalism in favor of Confucianism and also made it illegal for anyone who followed the philosophy of Han Feizi or Shang Yang to hold public office.
is the treaty of Paris an option and im not sure when.
I hope this helped!!