Alliances was a factor that lead to the great war. The war between russia and germany caused their alliances to step in and take part in the war.
U-boat-was a submarine that can go undetected
Transatlantic cable cut- The british cut the U.S and Germany connections
luistania attacked- british passenger liner that was attacked by the u boat
sussex pledge-Germany agreed to warn before they attacked ships
Zimmerman telegram-note made to mexico to attack U.S and they would get a piece of U.S
Russian revolution- replaced czar with a republican gov
Sinking of the 3 naval ships- Germany sank 3 naval ships without giving any notice
