Between 1850 and 1930, the largest number of immigrants were coming from

A) canada and Nova scotia
B) east and southeast asia
C) mexico and latin america
D) southern and central europe

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 .