If you want to demonstrate that our founding fathers desired a small union with republican rather than democratic government, look no further than Federalist 10. In this essay James Madison reveals the problems resulting from large numbers in a democracy. He also makes clear that there should be a relatively small number of constituents per representative in a republic. What's abundantly clear is that the nation state we have today day is a far cry from what the founder envisioned.
This printable handout includes the primary source document, questions for students to answer, and an answer key. This is a great supplement for US History or Government classes.