The Imperial Russian Navys (IRN) quest for an ice free port.
I not sure but the Mexican war was prompted by the annexation of Texas. I hope this help!
Germany sank many American merchant ships around the British Isles which prompted the American entry into the war.
Texas
the bomb on Pearl Harbor
President Wilson was prompted by the refusal of Germany to halt its naval attacks.
The War Powers Resolution of 1973 was prompted by presidents sending troops without a formal declaration of war by Congress. Presidents had violated Congress' power over 100 times.
There were various factors prompted Stalin's actions. For example, the events of the Second World War were very influential on him.
The sinking of the U.S.S Main.
the bomb on Pearl Harbor
they wanted to
The ArchDuke of Austria-Hungary
President Wilson was prompted by the refusal of Germany to halt its naval attacks.