Federalism meaning power is shared between the national and state governments. Separation of powers into branches that make, enforce or interpret laws. Balance of Power - controls (checks) can be made on the other branches. Limited government - everyone is bound by the US Constitution.
He trained rats in the correct route through a maze,then deliberately damaged their brains and observed that this did not inhibit their progress through the maze.
Answer: C
Explanation:
It was farther from the Germanic invasions of the western empire -it had access to trade routes which led to the growth of the empire- It straddled the continents of Europe and Asia -It was easily fortified on a peninsula with a natural harbor.
Mostly due to the ideas of Manifest Destiny. They started going westwards with the desire to span the United States from coast to coast, and then they started going worldwide. The idea behind it is that the United States were destined to help the world become free and democratic like they were so they started helping people worldwide in rebellions against colonialism or in similar affairs.