At 9:00 PM GMT on Friday the Republic of South Sudan was born. It is the end of a long journey that started with a peace deal in 2005 that ended a protracted civil war with the north. President Salva Kiir signed the constitution and took his oath of office during huge, country wide celebrations. The feeling among the crowds is that of a fresh start and a new chapter. But there still is much work to be done. South Sudan is still one of the least developed nations even though they sit on rich oil reserves. Decades of civil war has left South Sudan extremely poor. And as the peace deal with the north remains tenuous the military is the priority recipient of…