How did europeans use the idea of eugenics to justify colonization and imperialism?

Was president roosevelt justified in ordering executive order 9066, which resulted in the internment of japanese american citizens? write a clear claim that responds to this writing prompt.

Why didn’t the portuguese have access to the territory that is present-day latin and north america

Plz ! after the first battle of bull run general ivan mc dowell was removed from command of the union army he was replaced by a. general ulysses s. grant. b. general george mcclellan. c. general robert e lee. d. general george meade.