How can the United States lessen its dependence on fossil fuels?• What can be done to improve the college graduation rate?• How can a city promote the use of public transportation?• What can be done to promote better health for the American population?• What can be done to address the problem that you discussed in your causal analysis essay in Task 3? Note: If you respond to this topic in your Task 4 essay, please include a note at the top if your essay that lists your Task 3 essay topic, like this: TASK 3 Topic: Causes of the high cost of healthcare in the US.REQUIREMENTSA. Write a proposal essay (suggested length of 4–7 pages). In your essay, do the following:1. Respond to one of the given topics.2. Provide an effective introduction.3. Provide an appropriate thesis statement that previews two to four main points.4. Explain the significance of the problem.5. Propose a clear recommendation, with support, to solve the problem.6.