Since its creation in 2004, the Millennium Challenge Corporation (MCC) has acted as a key U.S. foreign assistance instrument focused on economic growth, country partnerships, and cost-effective projects. Its impact spans nearly 50 countries around the world in the agriculture, education, energy, health, and infrastructure sectors. MCC's three different grant systems—compacts, concurrent compacts for regional investments, and threshold programs—address the underlying causes of poverty and promote economic growth by working with the private sector and supporting regulatory reforms.