Answer:
2):To execute judgments between litigants and to settle disputes between contestants so that justice may prevail and so that none commit or suffer injustice.
3: To defend the lands of Islam and to protect them from intrusion so that people may earn their livelihood and travel at will without danger to life or property.
4: To enforce the legal penalties for the protection of God’s commandments from violation and for the preservation of the rights of his servants from injury or destruction