What were the main cultural and intellectual trends in the interwar years?

The physical feature that makes up part of the border between canada and the united states is the

How much time on average do americans currently spend watching tv and videos per day?

Atherapist at a free university clinic treats elementary school children with behavior problems who are referred by a social service agency. she is also a doctoral candidate who proposes using data she has and will collect about the children for a case-based research project. describe the type of parental permission which is required in this case?