Health-care coverage in the United States is a combination of public and private efforts and is not universal. In 2017, 12.2% of the population did not carry health insurance. The subject of uninsured and underinsured Americans is a major political issue. Federal legislation, passed in early 2010, roughly halved the uninsured share of the population, though the bill and its ultimate effect are issues of controversy. The U.S. health-care system far outspends any other nation, measured both in per capita spending and as percentage of GDP. At the same time, the U.S. is a global leader in medical innovation.
Government policy designed to promote affordable housing, widespread failures in corporate and regulatory governance, and historically low interest rates set by the Federal Reserve led to the mid-2000s housing bubble, which culminated with the 2008 financial crisis, the nation's largest economic contraction since the Great Depression. Barack Obama, the first African-American and multiracial president, was elected in 2008 amid the crisis, and subsequently passed stimulus measures and the Dodd–Frank Act in an attempt to mitigate its negative effects and ensure there would not be a repeat of the crisis. In 2010, the Obama administration passed the Affordable Care Act, which made the most sweeping reforms to the nation's healthcare system in nearly five decades, including mandates, subsidies and insurance exchanges.
More InfoAbout 82% of Americans live in urban areas (including suburbs); about half of those reside in cities with populations over 50,000. In 2008, 273 incorporated municipalities had populations over 100,000, nine cities had more than one million residents, and four cities had over two million (namely New York, Los Angeles, Chicago, and Houston). Estimates for the year 2018 show that 53 metropolitan areas have populations greater than one million. Many metros in the South, Southwest and West grew significantly between 2010 and 2018. The Dallas and Houston metros increased by more than a million people, while the Washington, D.C., Miami, Atlanta, and Phoenix metros all grew by more than 500,000 people.
More InfoFrom 1820 to 1850, Jacksonian democracy began a set of reforms which included wider white male suffrage; it led to the rise of the Second Party System of Democrats and Whigs as the dominant parties from 1828 to 1854. The Trail of Tears in the 1830s exemplified the Indian removal policy that forcibly resettled Indians into the west on Indian reservations. The U.S. annexed the Republic of Texas in 1845 during a period of expansionist Manifest destiny. The 1846 Oregon Treaty with Britain led to U.S. control of the present-day American Northwest. Victory in the Mexican–American War resulted in the 1848 Mexican Cession of California and much of the present-day American Southwest.The California Gold Rush of 1848–49 spurred migration to the Pacific coast, which led to the California Genocide and the creation of additional western states. After the Civil War, new transcontinental railways made relocation easier for settlers, expanded internal trade and increased conflicts with Native Americans. In 1869, a new Peace Policy nominally promised to protect Native Americans from abuses, avoid further war, and secure their eventual U.S. citizenship. Nonetheless, large-scale conflicts continued throughout the West into the 1900s.
More InfoAbout 82% of Americans live in urban areas (including suburbs); about half of those reside in cities with populations over 50,000. In 2008, 273 incorporated municipalities had populations over 100,000, nine cities had more than one million residents, and four cities had over two million (namely New York, Los Angeles, Chicago, and Houston). Estimates for the year 2018 show that 53 metropolitan areas have populations greater than one million. Many metros in the South, Southwest and West grew significantly between 2010 and 2018. The Dallas and Houston metros increased by more than a million people, while the Washington, D.C., Miami, Atlanta, and Phoenix metros all grew by more than 500,000 people.
More InfoRapid economic development during the late 19th and early 20th centuries fostered the rise of many prominent industrialists. Tycoons like Cornelius Vanderbilt, John D. Rockefeller, and Andrew Carnegie led the nation's progress in railroad, petroleum, and steel industries. Banking became a major part of the economy, with J. P. Morgan playing a notable role. The American economy boomed, becoming the world's largest, and the United States achieved great power status. These dramatic changes were accompanied by social unrest and the rise of populist, socialist, and anarchist movements. This period eventually ended with the advent of the Progressive Era, which saw significant reforms including women's suffrage, alcohol prohibition, regulation of consumer goods, greater antitrust measures to ensure competition and attention to worker conditions.
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