Complex sentence: His ideas on labor, modes and means of production, and social class were crucial in the development of frameworks used to understand the creation and exercise of power, and anthropologists have used Marx's ideas to provide perspective on archaeological and anthropological data.
Split into simpler sentences: His ideas on labor, modes and means of production, and social class were crucial in the development of frameworks used to understand the creation and exercise of power. Since then, anthropologists have used Marx's ideas to provide perspective on archaeological and anthropological data.