PRESENTATION OUTLINE
AUSTRIA'S ARCH DUKE WAS MURDERED BY A SERBIAN NATIONALIST
AUSTRIA-HUNGARY DECLARED WAR ON SERBIA, THEN THE WAR STARTED.
ALLIANCES JOINED IN THE WAR, INCLUDING GERMANY AND RUSSIA
TRENCH WARFARE AND MACHINE GUNS WERE INTRODUCED IN WWI
CHEMICAL WEAPONS WERE FIRST USED IN WWI BY GERMANY
THE LUSITANIA WAS TORPEDOED BY GERMANY, WHICH CAUSED OUTRAGE
DESPITE EFFORTS TO STAY NEUTRAL U.S. JOINED THE WAR
THE TRIPLE ENTANTE WAS AN ALLIANCE FOR SERBIA'S SIDE
THE CENTRAL POWERS WAS AN ALLIANCE FOR AUSTRIA-HUNGARY
PROPAGANDA HELPED GET U.S. CITIZENS TO JOIN THE WAR
THE U.S. WAS A BRUTAL FORCE IN THE WAR
THE TREATY OF VERSAILLES FINALLY ENDED WWI