Spencer's philosophy

No later than the fourth day of the academic week, please respond to this thread by writing a thorough and thoughtful 300 word essay that answers one of the following questions:

warning to researchers to follow this advice?
Choose one of the following. Assuming that all things except worldview are equal (scientific know-how, medical ability, economic structure), explain why one of the following would or would not have been possible in the year 1200. In other words how do these ideas fit or not fit with the worldview of the period
• Spencer's philosophy