this is what I got from Google-
When the U.S. Supreme Court ruled in the Dred Scott decision that the Missouri Compromise's prohibition of slavery in territories was unconstitutional, an increasingly diverse body of opponents of slavery rallied around the Republican Party.
I don’t understand your question, can you go into more detail please
1954- Brown v. Board of Education
1955- Emmet Till murder
1956- Montgomery Bus boycott
1957- Civil Rights Act of 1957
Highlander Folk school 25th Anniversary
I don’t know the rest sorry
Strength or energy as an attribute of physical action or movement
It killed 1/3 of the population of Europe and people wanted cleaner cities to prevent this from happening again