id	keyword
ch-992	social
ch-992	studies
ch-992	education
ch-992	new
ch-992	national
ch-992	reform
ch-992	curriculum
ch-992	projects
ch-992	science
ch-992	war
ch-992	cold
ch-992	bruner
ch-992	development
ch-992	schools
ch-992	movement
ch-992	manpower
ch-992	history
ch-992	research