Answer:
Agriculture
Explanation:
You can rule out A and D immediatly because mining is how they obtain minerals from mines like coal and iron while manufacturing is when they make things in a very large scale using multiple forms of machinery (like in factories).
Agriculture is farming crops and other resources while cultivating the soil to make it better in years to come. This means changing the land for whatever farm uses you need.
Urbanization is when more and more people concetrate in a specific area. Another way to think about it is the shift from rural to urban aerasa in specif cases.
