Get an idea of not only what you want to change, but what the counterpoints to your arguments might be. [substeps] If, for example, you want to petition your local government for a new park, look on your town's website regarding regulations and rules for parks.
[header] How to write a petition [title] Develop your argument. [step] Before you start your petition, put some time into researching your topic thoroughly. Look at websites and literature about your cause.