The document summarizes European colonial expansion between 1850-1914. The main colonial powers were European nations like Great Britain, France, Germany, and others. They colonized areas in Africa, Asia, Oceania, and North America. There were several factors driving this colonial expansion, including economic overproduction and need for new markets, high population growth in Europe encouraging emigration, and ideological beliefs in cultural and racial superiority that justified imposing European control over other regions. The colonial powers established different models of rule, including settler colonies, trading companies that exploited resources, and protectorates with nominal local control. The consequences globally included political boundaries that divided peoples, cultural changes through acculturation, and economic exploitation of lands and peoples for the