David Hume (1711–1776) challenged us to justify our assumption that: Group of answer choices

objects exist

mathematics is an a priori science

empirical science is an a posteriori science

what’s happened in the past will keep on happening

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.