The correct answer is B.fall of the Berlin Wall
The Prague Spring happened in the 60s, thirty years before the Soviet Union would actually fall. The fall of the Berlin wall showed that other countries can separate themselves from the Soviet's grasp and this led other countries, even those that were in the Union such as Lithuania to start fighting for their independence.
Well, both countries contained ancient civilizations, Egypt being the Egyptians and Nile River Valley, and India being the Indus River Valley civilization. Also, the people of both regions had specific religious beliefs like in Egypt, they believed in, well, Egyptian gods and goddess and in India, at the time it might have been anywhere from indigenous beliefs, to Islam, to Hinduism. Both regions made important technology civilizations that impact us even today. Both regions were a culture hearth and at their peak, they thrived and prospered immensely.