GENERAL KNOWLEDGE

Detailed explanation-1: -Imperialism is a system where a powerful nation-state seizes or controls territories outside its own borders. These territories are claimed and governed as colonies. 2. Several European nations maintained empires in the decades before World War I.

Detailed explanation-2: -Western European empires like Great Britain and France had overseas colonies around the world, while eastern empires like Austria-Hungary and Russia ruled European and North Asian territories connected by land.

Detailed explanation-3: -Industrialisation played a major role in World War One. New military machinery could be produced at a much larger scale and at a much faster rate than before. Along with innovative technology, this led to one of the most devastating wars in human history.