Complex sentence: He implemented measuring of land and later used the intel they achieved to put through a reformed tax collection, he worked to expand grain farming, on reducing tax revenue, and strived to achieve food self-sufficiency for all farmers.
Split into simpler sentences: He implemented measuring of land and later used the information they achieved to put through a reformed tax collection. He worked to expand grain farming, reduce tax revenue and strived to achieve food self-sufficiency for all farmers.