Which piece of historical evidence would be most helpful in sequencing the events of an ancient war between Greece and Persia? the shield of a Greek soldier a statue of a Persian warrior letters written by a Persian general Greek pottery showing a battle scene

In a study, people were asked to imagine simple occasions that made them happy and to remember events that made them feel proud about themselves. it was observed that the subjects developed an increasingly positive attitude. these changes are known to be healthy, leading to greater physical activity and reducing unhealthy habits. based on this excerpt, we can conclude that a positive attitude .