Threats of Romans The Holy Prophet (PBUH) heard of the preparations for a war against Islam by Romans and other Christian confederates. It was now necessary to defend and protect Islam. The Holy Prophet (PBUH) could not risk waiting and seeing his country invaded. It was a hot summer, the crops were not promising, and the last crop had been an utter failure. People hardly had anything to eat Bui the rumours of Roman invasion became more and more persistent. The Holy Prophet (PBUH) therefore, ordered to prepare to meet t’r’s Roman invasion. He also sent his emissaries to all of his followers and allies throughout Arabia and asked them to join him al Medina