Who was the naacp lawyer who convinced the court that separate facilities for african americans were unequal during the brown v. board of education of topeka supreme court case?

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

What best describes the transportation within cities in the early 1800s

What were some reasons the russian people grew to oppose world war i? check all that apply.millions had been killed.food and supplies were running out.the tsar had been overthrown.soldiers were forced to fight.industrialization was happening too quickly.