There are many causes for WW2. First the treaty of Versailles was way to harsh. Italy felt like they where cheated out and they deserved more after WW1. Poland was splitting germany in 2 from mainland and east prussia which made germany want to invade poland to connect the 2 land masses. Some key events in WW2 would be operation Barbarossa, bombing of pearl harbor and D-day. Those 3 events lead to Germany's downfall.
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Throughout most of the nineteenth century, Peurto Rico and Cuba remained the last two Spanish colonies in the new world and served as the final outposts in Spanish strategies to regain control of the American continent.
Voting rights <span>was the major focus of the early women's rights movement during the late 19th and early 20th centuries.</span>
CFCs(chlorofluorocarbons) and CO2