World war 2 had many new advancements in technology. Tanks and mustard gas were new to the war. Tanks get throught barbedwire and also helped during battles. Submarines were also used during thid time. It made shipping soliders and supplies over to Europe very hard for the Americans because of germen subs. The nuclear bomb was also new to ww2, it was used by USA on hiromshima to defet Japan and led to them giving up.
World war 2 had many new advancements in technology. Tanks and mustard gas were new to the war. Tanks get throught barbedwire and also helped during battles. Submarines were also used during thid time. It made shipping soliders and supplies over to Europe very hard for the Americans because of germen subs. The nuclear bomb was also new to ww2, it was used by USA on hiromshima to defet Japan and led to them giving up.
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