Considering the historian's use of source material, which interpretation is
most valid?

Which describes a domestic policy for which president nixon was responsible? the reduction of tension between the democrats and republicans the establishment of the second frontier the reduction of tension between the united states and china the establishment of the environmental protection agency

What were some effects in world war 1 in europe ? ( and only in europe)

There are no written records of the first migration of humans to the americas? true or false