Answer:
Available freshwater allowed people to grow food.
Explanation:
Water is super important for a lot of different reasons. The more water that people had, the more crops that they can grow.
C is the correct answer I think
Their argument was based around a budget.
Answer:
Snowball sampling
Explanation:
Snowball sampling is one where the researcher gets a sample by asking participants in the study if they know other potential participants. The current participants refer new ones.