Given the following passage  "All over Europe rulers and city governments began to create universities to satisfy a European thirst for knowledge, and the belief that society would benefit from the scholarly expertise generated from these institutions. Princes and leaders of city governments perceived the potential benefits of having a scholarly expertise develop with the ability to address difficult problems and achieve desired ends. The emergence of humanism was essential to this understanding of the possible utility of universities as well as the revival of interest in knowledge gained from ancient Greek texts.",  answer the following question. Note that the answer is present within the text.  Question: What country helped drive the thirst?
A:
ancient Greek