thether hand and you explained in your last remark the extent to in social development is as clear because this an important yard stick for political stability
On the other hand, and you explained this in your last remark, the extent to which economic and social development is needed is clear, because this is also an important yardstick for political stability.
the other hand, and you explained in your last remark, the extent to and social development is is clear, because this an important yardstick for political stability.