The answer to this question is D Social Security
The main reason the United States decided to build a canal across Panama instead of Nicaragua was that both the land and the building rights were far less expansive. hope this helps (:
doubled the size of the united states
Answer:
An empire is an unequal relationship between a core state and a periphery of one or more states controlled from the core. On the simplest level, control means military occupation or other formal political intervention, but it can also cover informal economic or cultural influence.
