- Course Project: Advancement in the Humanities. Identify the time period that concrete was invented and the circumstances that led to the invention. Discuss how it affected the arts within the time period of its invention, how the advancement has evolved over time, and the effects of the evolution on later time periods. Make sure to also discuss how the advancement is connected to the humanities. The essay must be 4-6 double spaced pages in length (not including the title page or bibliography). Utilize no less than 4 academic quality sources. Use APA format.