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NATIO来自NAL STANDARDS: Grades K-4 National Social Stu360百科dies Standards- Culture: I- People, societies, and cultures address needs and concerns in ways that are both similar and different- Cultural unity and diversity can 孙云解be identified wit现提县读品衡践hin and across groups- Time, Continuity, and Change: II- Accounts of p赶缺ast events, people, places, and situations contr草示ibute to our understanding of the past