During the Cold War, the United States and the Soviet Union competed in the Space Race, culminating with the 1969 moon landing. "Columbia", a name popular in poetry and songs of the late 18th century, derives its origin from Christopher Columbus; it appears in the name "District of Columbia".The end of the Cold War and the collapse of the Soviet Union in 1991 left the United States as the world's sole superpower. The phrase "United States" was originally plural, a description of a collection of independent states—e.g., "the United States are"—including in the Thirteenth Amendment to the United States Constitution, ratified in 1865.The continent's first elected legislative assembly, Virginia's House of Burgesses created in 1619, the Mayflower Compact, signed by the Pilgrims before disembarking, and the Fundamental Orders of Connecticut, established precedents for the pattern of representative self-government and constitutionalism that would develop throughout the American colonies.Most settlers in every colony were small farmers, but other industries developed within a few decades as varied as the settlements. Extraction industries grew up in furs, fishing and lumber.The United States is a founding member of the United Nations, World Bank, International Monetary Fund, Organization of American States (OAS), and other international organizations. The singular form—e.g., "the United States is"—became popular after the end of the American Civil War. In English, the word "American" rarely refers to topics or subjects not connected with the United States.The United States is a highly developed country, with the world's largest economy by nominal GDP and second-largest economy by PPP, accounting for approximately a quarter of global GDP. Joseph Reed, Moylan expressed his wish to carry the "full and ample powers of the United States of America" to Spain to assist in the revolutionary war effort. The singular form is now standard; the plural form is retained in the idiom "these United States". S." refer to the country adjectivally ("American values", "U. Monks Mound in Cahokia, a UNESCO World Heritage Site and the largest and most influential settlement in Mississippian culture.He made landfall on the Oregon coast at approximately 44°30′ north latitude, naming his landing point Cape Foulweather.
In 1774, the Spanish Navy ship Santiago, under Juan Pérez, entered and anchored in an inlet of Nootka Sound, Vancouver Island, in present-day British Columbia.
After Spain sent Columbus on his first voyage to the New World in 1492, other explorers followed.
The first Europeans to arrive in the territory of the modern United States were Spanish conquistadors such as Juan Ponce de León, who made his first visit to Florida in 1513; however, if unincorporated territories are accounted for, then credit would go to Christopher Columbus who landed in Puerto Rico on his 1493 voyage.
English colonists were supplemented by waves of Scotch-Irish and other groups.
As coastal land grew more expensive, freed indentured servants pushed further west.