Final answer:
The functionalist perspective highlights the interlocking relationships in societies and how different realms of society are interconnected.
Step-by-step explanation:
The theoretical perspective that highlights the interlocking relationships that underlie all societies is the functionalist perspective. This perspective emphasizes that all elements of a society work together as a system to fulfill its needs. For example, in functionalist perspective, the economy, political system, religion, and families are seen as interdependent parts of a society. Changes in one realm of society can impact and shape other realms in unexpected ways, just like how the agricultural shift to cocoa farming in Ghana during colonial times affected gender relations.