D. They wanted to ensure that the other could not attack and destroy them
Earliest human migrations and expansions of archaic and modern humans across continents began 2 million years ago with the migration out of Africa of Homo erectus. This was followed by the migrations of other pre-modern humans including H. heidelbergensis, the likely ancestor of both modern humans and Neanderthals. Finally, Homo sapiens ventured out of Africa around 100,000 years ago, spread across Asia around 60,000 years ago and arrived on new continents and islands since then.
Knowledge of early human migrations, a major topic of archeology, has been achieved by the study of human fossils, occasionally by stone-age artifacts and more recently has been assisted by archaeogenetics. Cultural and ethnic migrations are estimated by combining archaeogenetics and comparative linguistics.
People who worked in factories lived together in small houses that were full to the brim and the idea was to go work while another sleeps, and then you sleep when others work.
Joseph Chamberlain's speech and Rudyard Kipling's poem “White
man’s burden” have in common: D. Both discuss the responsibilities and sacrifices of imperialism. The phrase “white man’s burden”
implies that imperialism was motivated by desire of white people to uplift
people of color.