Explanation:

- Reciprocity and Exchange:

- These concepts involve mutual giving and receiving between parties.

- They foster trust and balance in social relationships.

- Option 1: Accommodation

- This involves adjusting or adapting to others to reduce conflict.

- Often about compromising and coexisting harmoniously.

- Option 2: Assimilation

- The process where individuals or groups adopt the culture of another group.

- Often seen when minorities integrate into the dominant culture.

- Option 3: Competition

- Here, individuals or groups vie against each other for the same goals.

- Typically involves rivalry and striving to outdo others.

- Option 4: Cooperation

- Involves working together towards a common objective.

- Relies on mutual support and teamwork.

Option 4: Cooperation

Reciprocity and exchange are foundational to cooperation, where mutual benefits and goals are shared.