What earlier court decision did the Brown v. Board Supreme Court Case rule unconstitutional

Need asap). based on the government system in the united states, which individual activity is used to directly influence legislative decisions? source: florida department of education. ( a) watching political debates on television, ( b) gathering signatures for a petition, ( c) discussing political issues at work, ( d) collecting opinions for a yearbook. ( question 2) -- i posted a picture of the question and answer choices.

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

What is significant about the power that russian federal cities are granted?