Which state's license plates carry the slogan "Famous Potatoes"?

Which state entered the Union as a free state under the Missouri Compromise of 1820? Which state was the first to allow women to vote, while still a territory in 1869? Which state has the motto "Live Free or Die"? Which state's license plates historically carry the slogan "First in Flight"? Which state is home to the most active volcanoes? Which state is home to Kīlauea, one of the world's most active volcanoes? Which state has the most national parks? Which state is home to the Black Hills?