This spells out exactly what you should have in all sections of your poster.
You will also be provided with this rubric on the History Day.
Use this link to access the rubric online: https://docs.google.com/a/ohlsd.org/document/d/1wc9rae7xtZ-ugdNqwlFlr7P2GELhKA7_8zr0BSNbmt0/edit
Below their are also pictures of a model tri-fold poster your teachers made for you.