Which of these is the definition of manifest destiny? A. The belief that the United States should extend from the Atlantic to the Pacific.
B. The development of a large army to remove the Indians from their native lands.
C. The belief by whites that all inferior races should live along the coast.
D. The idea that all races should work together for a social progress in the United States.

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.

People are willing to pay more for a diamond than for a bottle of water because