Drew different between classical and operant conditioning

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.

How do you think american life would change greatly, as soldiers went to war in europe?

What can you conclude was a benefit of living a more settled life for prehistoric man? a. more food choices b. more freedom c. less work d. simpler lifestyle !