The United States has been involved in numerous foreign interventions throughout its history. By the broadest definition of military intervention, the US has engaged in nearly 400 military interventions between 1776 and 2019, with half of these operations occurring since 1950 and over 25% occurring in the post-Cold War period. The objectives for these interventions have revolved around economy, territory, social protection, regime change, protection of US citizens and diplomats, policy change, empire, and regime building.