they had already established a federal political structure consisting of three regions based on the three major population clusters that were in

they already had established a federal political structure consisting of three regions that was based on the three major population clusters inside

they already had established a federal political structure that consisted of three regions based on the three major population clusters in

it had already established a federal political structure that consisted of three regions based on the three major population clusters within

it already had established a federal political structure consisting of three regions being based on the three major population clusters it had within