The main event that led the United State to take a more active role in the world affairs was World War II, since the US emerged from this war an economic superpower. It was also clear that some nation needed to "fill the void" left by the relative fall of the British Empire.
<span>The core of the adaptive success characterized by population explosion was the result of: increased food supply
One of the main reason that people have in choosing a place to settle is the resource availability. Areas with largest important natural resources such as foods, water , and land tend to have a larger population compared to the areas that do not.</span>
The impact of America's wars on industrial production has varied dramatically, depending on the particular war and the stage of industrial development.
The fact that Texas is the largest state in the US is the greatest factor that explains why it is isolated both economically and socially, simply because people find it harder to leave the state on a regular basis.
Chimera move slowly to get more food on the ocean floor.
