What measures were used by the roman empire to create cultural unity and strengthen the empire

The correct answers are building an extensive network of roads and

granting citizenship to people in outlying area

Explanation:

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true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.