What is slash-and-burn agriculture?

Slash-and-burn agriculture is a farming method that involves the cutting and burning of plants in a forest or woodland to create a field called a swidden. The method begins by cutting down the trees and woody plants in an area

Explanation:

i believe that the answer to the question provided above is that the role of campaign committees is to act as a bridge between state and local campaigns.

the answer to your question is,

old stone age.

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