Unit+IV+-+P6

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Unit IV: The United States in World War I

World War I = WWI = The Great War = "The War to End All Wars"
= Why did the U.S. join WWI? =

= World War I was the first war to include: =
 * == use of flamethrowers ==
 * == use of tanks ==
 * == use of steel helmets ==

=__B__= =1. A world war is a large scale war that involves many countries.= = = =2. //__Background__// causes of WWI:= =Imperialism -= =Nationalism -= =Militarism -= =Alliances -=

=*And the spark that started the fighting was...=

=__3. Overview of WWI__=
 * ==started by the assassination of Archduke Franz Ferdinand of Austria-Hungary==
 * ==many countries declared war on each other and a "world war" had started==

=US Steps to Joining WWI=