The document discusses group interaction and social processes. It defines group interaction as how individuals and groups act and communicate in social situations. Social processes refer to mutual interactions between individuals or groups as they work to solve problems and achieve goals. Social processes are classified as conjunctive or disjunctive. Conjunctive processes aim to maintain unity, while disjunctive processes promote disunity. Major conjunctive processes discussed include cooperation, accommodation, assimilation, amalgamation, and acculturation.