Discuss key factors that led to the birth of mass tourism. In your response, draw reference to the major developments taking place in the pre-industrial, industrial and post-industrial era. Question 2: Discuss the issue of climate change and its potential impact on tourism activities around the world. In your response, use examples from the four main areas of concern for climate change. Question 3: Discuss and provide examples of the key issues, current trends and future challenges relating to the operation and management of the hospitality sector.