Willis Tower summary
Below is the article summary. For the full article, see Willis Tower.
Illinois Summary
Illinois, constituent state of the United States of America. It stretches southward 385 miles (620 km) from the Wisconsin border in the north to Cairo in the south. In addition to Wisconsin, the state borders Lake Michigan to the northeast, Indiana to the east, Kentucky to the southeast, Missouri
Chicago Summary
Chicago, city, seat of Cook county, northeastern Illinois, U.S. With a population hovering near three million, Chicago is the state’s largest and the country’s third most populous city. In addition, the greater Chicagoland area—which encompasses northeastern Illinois and extends into southeastern
United States Summary
United States, country in North America, a federal republic of 50 states. Besides the 48 conterminous states that occupy the middle latitudes of the continent, the United States includes the state of Alaska, at the northwestern extreme of North America, and the island state of Hawaii, in the
skyscraper Summary
Skyscraper, a very tall multistoried building. The name first came into use during the 1880s, shortly after the first skyscrapers were built, in the United States. The development of skyscrapers came as a result of the coincidence of several technological and social developments. The term