In the field of security, he set up the police force. He established military settlements and ports for ship construction to strengthen the immune system. The Warriors managed to subdue the Persian and Roman cities were founded for the expansion of Islamic culture. In addition, they also promote agriculture and founded the Islamic education system.
Omar Al-Khattab versed in fiqh and a great orator. He was a wrestler and horseman efficient. Despite the reins of power, triggering the golden era of moderate Muslim countries to emulate the Prophet 's life.