Since a straightforward system of representation based on population would have concentrated political power in East Pakistan, the West Pakistani establishment came up with the "One Unit" scheme, where all of West Pakistan was considered one province.
Karena sistem representasi langsung berdasarkan populasi akan memusatkan kekuatan politik di Pakistan Timur, pendirian Pakistan Barat dilakukan dengan skema "Satu Kesatuan", dengan seluruh Pakistan Barat dianggap sebagai satu provinsi.