Answer:
D. Many jobs in large cities
Explanation:
Large cities results most times from industrialization; that is more industries are set up. This usually is a result of technology advancements. As we discover more ways of doing things, we set up companies to carry out this new means or method of implementation. Consequently we need people and likewise, this people need housing; so is the case of migration of people from rural areas to larger or more exposed areas for need of work for a better economic life.
