Why did groups such as pollution probe and greenpeace form? what are their main objectives?

Pollution Probe formed to improve Canadian's health (from recycling) through research, education, promotion and advocacy of actions. Greenpeace formed to "ensure the ability of the Earth to nurture life in all its diversity", and focuses on issues such as climate change, deforestation, overfishing, commercial whaling, genetic engineering, and anti-nuclear issues.

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.