The Citizens United case is an important Supreme Court case that has had a major impact on US politics. The case was decided in 2010 and it ruled that corporations and unions have the same rights as individuals when it comes to political spending. This means that corporations and unions can now spend unlimited amounts of money on political campaigns, which has had a major influence on the political landscape in the US. This has allowed for a greater influence of money in politics, which has been seen as a negative by many people. The Citizens United case has been seen as a major victory for those who support corporate interests, and it has had a major impact on US politics.