Which of the following was a cause of americans moving west in the early to mid-1800s?

a. availability of new land for farming
b. vengeful native americans
c. payment by the spanish to settle in western areas
d. the war of 1812

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 .