Why are societies faced with the three basic questions of what, how, and for whom?

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

How did kenya gain its idpendence in 1963

What were some passive/non-direct ways that enslaved africans did to resist slavery?