Which Supreme Court decision did Brown v. Board of Education (1954) overturn?

What’s the negative consequences of telegraph ? explain in your own words

After the congress of vienna europe

European imperialism in the 19th century was largely motivated by a desire to: o a. assert power over other parts of the world. b. end the racist policies practiced in many foreign countries. o c. defend europe from aggressive foreign armies. d. relocate ethnic and religious minorities within national borders.