What social and economic changes did Americans see after World War II and in the 1950's? How were these changes different from the way if life in American in the 1920's, the 1930's and during the war? Where there any similarities?

Who ever answer first get ! question 1: which term names the outer edge all around a watershed? a. divide b. basin c. boundary d. collection area question 2: which feature does contour line indicate on a topographic map? a. the path of a river through the watershed b.equal elevation c. similar runoff level d. the boundary of an aquifer