It would be Poland that is given its freedom and independence after the Treaty of Versailles that official ended World War One. According to the treaty the new nation of Poland is created from the lands of German Empire and Austria-Hungary Empire who are members of the Central Powers during the war. It includes the Polish corridor.
some nations learned about the new technology and had more resources than britian so they could advance quickly
Question 1: Island Hopping, the Americans conquered each pacific island in a pincer move to cut off large islands controlled by the Japanese, such as the battle for Guatacanal.
Question 2: The Allied Powers. From 1940 the Germans and Italians mainly controlled N Africa, until subsequent US invasions and British wins, notably at El Alamein in Lybia.
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