How did reunification of east and west germany affect the economy?
a. it made it even better.
c. it turned it around from stagnant to booming.
b. it made it even worse.
d. it did not affect the economy.

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 .