Folk and campfire songs for guitar

Folk songs were made to be passed around a fire with one guitar. These traditional tunes use a handful of open chords and an easy strum.

Most used:CGDFG7D7

Questions

What chords do I need for these songs?

The most common chords in this list are C, G, D, F, G7. Learn those and you can play most of the songs.

Which are the easiest?

Start with Down in the Valley, La Cucaracha, Oh My Darling, Clementine. They use the fewest and simplest chords.