They have a common because they all share a location which can be implemented on maps
The government keeps records so we can know, when we need, about the history of our country and its individuals.
Our government also ensures law enforcement by hiring the right people to represent and keep the law and the structures of our society running.
The government also assures us that we can change governors or keep them by voting if we are satisfied or unsatisfied with them.
The government also has the obligation to provide public services to make our lives and specially the lives of the less fortunate easier with the tax money that we pay with our hard work.
It is an ancient wonder because it was built by Artemisia after her husband Mausolus died. Mausolus and Artemisia had ruled over Halicarnassus and the region surrounding it for 24 years