Answer:
The assassination of the Archduke took place on June 28, 1914.
Wilson made his declaration of neutrality in August 1914.
The Preparedness Movement started shortly after the outbreak of the war in the summer of 1914, but it gained steam and was most active in the years 1915 and 1916.
The Zimmerman Telegram was sent in early February 1917.
Approximately two months later, on April 2, 1917, Wilson asked Congress to declare war on Germany.
Step-by-step explanation:
PLATO EXPLANATION