The answer is pluralism.
Completing the sentence:
The fact that the farmers have more influence over agricultural price-supports than do other groups is an example of pluralism.
Quick definition:
Pluralism is the holding of two or more offices or positions at the same time. Pluralism is not diversity alone, but the energetic engagement with diversity.
The use of economic, political, cultural or other pressures to control or influence other countries, especially former dependencies
Answer: They created Terraces into the mountainside
Explanation:
The Inca dug into the mountain side and created Terraces, which allowed them to filter water down the mountain side, as well as make a steeper ledge, since they did everything by hand, with hand made hoe's made out of branches and stones, they where able to till the ground to plant the seeds. The mountainside dirt was very enriched with minerals, which made it perfect land for farming.