It was a destination for pilgrimage already before the times of Muhammad. People travelled there for example to see the Zamzam Well, which dates back to the times of Abraham.
Generally speaking, advanced farming techniques allowed for a surplus of food, which led to the emergence of a "artisan" class--since for the first time people were "freed" to engage in other actives besides gathering food.
Geography is a field of science that deals with studying the earth's surface, climate, continents, countries, people, industries, and resources. It has two branches: the physical geography and the human geography. Physical geography deals with studying the natural environment, its characteristics and how it works while the human geography deals with studying the people and their total interaction with the environment and their culture, history, traditions, and economy.
Multiple choice or written essay?