How does a Boycott work as a protest in roll of thunder hear my cry?

Roll of Thunder, Hear My Cry, the Logans begin a boycott of the Wallace store. Read the definition and examples of a boycott to make sure you understand what a boycott is.
Definition of a Boycott: To refuse to buy, use, or participate in something as a way of protesting: to stop using goods or services of a company, country, etc. until changes are made.
Examples of Boycott:
1. Plans to boycott American products
2. They boycotted the city's bus system.
3. We boycotted companies that were polluting the environment.