What factors have caused many australian farmers and ranchers to move to urban areas?

Noting that most rural areas across the world are agricultural, some push factors that would cause one to move to an urban area include drought and famine, conflicts and disputes, decline in subsistence farming as a result of development of commercial agriculture, poverty, lack of proper amenities and services. Urban settlements provide people with all necessities thus leading a decline to rural areas

On October 7, 1763, the Royal Decree of 1763 was issued by King George III. The Treaty of Paris (1763) followed, officially ending the Seven Years' War and transferring French territories to Great Britain in North America.