Barack Obama was the 44th President of the United States, and the first Afro-American President, serving two terms from 2009 to 2017. He was a Democrat and a former Senator from Illinois, who won the presidency with a platform of hope and change, focused on promoting unity, opportunity, and progress. During his presidency, Obama faced several major challenges, including the ongoing War on Terror, the 2008 financial crisis, and political polarization. He is best known for his efforts to promote healthcare reform, through the Affordable Care Act (also known as Obamacare), and for his efforts to promote economic recovery and growth, through policies such as the American Recovery and Reinvestment Act. Obama remains a highly popular and influential figure in American politics, and is widely recognized for his efforts to promote unity, opportunity, and progress, both at home and abroad.