Information collected here is taken from the document M-638 (rev. 07/14) of the department of U.S. Citizenship and Immigration Services. It can be found here. Other materials, including updates for the questions that can change with elections and appointments are found here.
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The information presented in Learn About the United States: Quick Civics Lessons for the Naturalization Test is considered public information and may be distributed or copied without alteration unless otherwise specified.
I'm playing with the Go Playground for some of this:
I want to get some testing in here, so I'm also playing with these two libraries. Instructions for them can be found here.