id	keyword
ch-745	rugg
ch-745	social
ch-745	studies
ch-745	education
ch-745	rugg‟s
ch-745	new
ch-745	american
ch-745	york
ch-745	rugg social
ch-745	school
ch-745	controversy
ch-745	university
ch-745	textbooks
ch-745	harold
ch-745	curriculum
ch-745	issues
ch-745	history
ch-745	life
ch-745	fbi
ch-745	work
ch-745	teachers
ch-745	college
ch-745	years
ch-745	problems
ch-745	society