Hazrat Umer was the second muslim Khalifa. He had done enormous amount of establish in his era which include fighting for Islam and is really popular for his administrative and business strategies. Many great countries try to take those strategies and apply in their own countries.
In his era he had massive amount of revenue generating like Jizya (poll-tax), Zakat (poor tax), Kharaj (spoils of war) and Fay (income from crown lands). He built up Bairt-ul-Mal (public treasury). Hazrat Umer appointed a woman, Shifa bint Abdullah in Madina to look after one of the key administrative office.
In his era he had massive amount of revenue generating like Jizya (poll-tax), Zakat (poor tax), Kharaj (spoils of war) and Fay (income from crown lands). He built up Bairt-ul-Mal (public treasury). Hazrat Umer appointed a woman, Shifa bint Abdullah in Madina to look after one of the key administrative office.