Answer:
A curriculum is important in an educational system. It helps one plan the education process or procedure for a given period of time (a term, session, lesson period etc). As the saying goes, if you fail to plan then you plan to fail.
Explanation:
It depends how far back you are talking about. If you are talking back to the 1700s it would be cotton. If you are talking about a time period even father back than that, sorry, I can't help. Hope this helped.
Vignette would be a suitable answer.