The rapid spread of the banana fungus was caused by monocropping and not quarantining farm machineries and crops.
This process involves the isolation of certain materials so as to prevent the spread of diseases.
This is important as it curbs the spread and ensures that large loss isn't recorded. In the case of the United Fruit company, it didn't happen which led to the proibelms faced.
Read more about United Fruit company here https://brainly.com/question/8749028