Conversation so far:
when was the model parliament first called to meet
Model Parliament, parliament called by King Edward I of England in 1295 that is widely regarded as the first representative parliament.
What was the reason the model parliament was called to meet
The parliament was called, as was standard practice, because the king sought financial support for the wars that he was prosecuting in Scotland and in France.

Question: Who was invited to meet
Self-contained rewrite: Who was invited to meet in the model parliament of 1295