The answer is prior to 1942, the US pursued a defensive war in the pacific. This strategy failed, so, the US adopted the "island-hopping" strategy to overwhelm Japanese forces on islands. The battle that forced this new form of thinking was the Battle of Midway, in which the US began a counter-offensive campaign against Japan.
Answer:
Emperor Napoleon Bonaparte
In 1801 after a series of secret agreements, French Emperor Napoleon Bonaparte (1769–1821) recovered the territory of Louisiana from Spain, which France had lost in 1763.
Explanation:
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The Berlin Conference of 1884–85, also known as the Congo Conference (German: Kongokonferenz) or West Africa Conference (Westafrika-Konferenz), regulated European colonisation and trade in Africa during the New Imperialism period and coincided with Germany's sudden emergence as an imperial power.