creation of sense of nation in India

Today in the BBC interview, British politician Meghnad Desai explained how India become a Nation. Following is the summary...

At the time of European invasion, India was being ruled by many kings, and there was no single emperor so no concept of Nation. There are also cultural differences between the regions. Indians started to unite(overcame differences) during the freedom struggle against British. Indian Freedom fighting went on for decades, during this period Gandhi created a sense of nation among the people. Gandhi did not succeed completely and it shows up in the creation of Pakistan.

Coming back to present, using above knowledge, it is easy to understand the lack of unity among Iraqis. People of Iraq did not fight for any thing to-gather...