When I was a graduate student the leading spirits at Harvard were interested in the history of ideas.
If you read quickly to get through a poem to what it means you have missed...
If you're picking your best friend based on what kind of clothes she wears or...
After all the fertile land in the immediate neighbourhood of the first settlers were cultivated if capital and population increased more food would be required and it could only be procured from land not so advantageously situated.