In this way they were scattered throughout the earth. Now they could not understand or communicate with each other. The method used could not have been more effective. Because language barriers were really effective and even today they separate people more than their own borders, oceans and any other geographical feature. There are many who believe that languages developed gradually. However, God said it would confuse their language and, precisely while they were building, they suddenly discovered that they could not understand each other. The building project was unexpectedly interrupted and the builders moved away from Babel in all directions