Kentucky last week and Arkansas on March 16 became the latest of more than a dozen states since 2015 that have required the high school social studies curriculum to include material covered by the 100 questions asked on the naturalization exam. Lawmakers in other states, including Minnesota, are hoping to foster even deeper understanding of the fundamentals of American democracy by adding a full course to study its most important documents.

“Rights might be inherent, but ideas need to be taught,” said Maida Buckley, a retired classroom teacher in Fairbanks, Alaska, who testified last year to an Alaskan legislative task force on civics education. “When you have a system of government that’s based on ideas, espoused in the Declaration of Independence and carried out with a working document in the Constitution, those ideas need to be taught.”

It’s a bipartisan cause, and in many states such bills are jointly introduced by Republicans and Democrats. But proponents’ motivations vary from dismay about the lack of participation in local school boards and town halls to concerns about how Republican President Donald Trump and his supporters view the power of the executive branch.