What legislation was passed in order to protect african american voters from groups like the ku klux klan

Ect all that apply. what were the provisions of the 1870 education act? the construction of playgrounds the establishment of school districts the construction of schools the creation of standardized tests

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

Me! will mark brainiest! essential questions: • for what reasons will one group of people exploit another? focus questions: • what influenced the development of the south more: geography, economy or slavery? • what were the economic, political and social arguments for and against slavery in the first half of the 19th century?