This document discusses several political topics in the United States, including the major parties, their stances on issues, and trends over time. The Democratic Party generally supports an active government role in society and the economy, while the Republican Party typically favors a limited government that allows the free market to operate. Specific issues covered include healthcare, taxes, the environment, guns, abortion, and same-sex marriage. Charts and maps are provided to illustrate how views and policies have changed regarding these topics.