The city is believed to have had as many as 23,500 residents and occupied about 150 hectares (370 acres) with clay brick houses at its greatest extent during the Mature Harappan phase (2600 BC – 1900 BC), which is considered large for its time. HOPE THIS HELPED
economic idk specifically what u mean by effective but in effective in damage there was a lot to be rebuilt after the war and the cost of bullets and guns was bad to