Well some rivers in Europe are used to transport goods. Sometime people even travel on them. River also can provide power.
I think that is c because there is 50% chance that it is
Polytheists. Polly meaning "many" and theists meaning "of god"
Land surrounding the Panama Canal is very fertile. The warm tropical weather is good for growing things. The original river and later the building of canal made trading very convenient. So there are a lot of industries developed in that region.
Having the horrors of the Great Depression at that time, the American people have already learned their lesson that the government had played a role to the mayhem. Liberal resurgence had started during the administration of John F. Kennedy where he pioneered civil rights movement and implement federal policies for economic stability.
