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the southern part of the San Francisco Bay Area in Northern California in the United States.home to many of the world's largest technology corporations

a term that gained currency in the 1980s[1] as the informal description of an area straddling the Midwestern and Northeastern United States, iy specialized in large-scale manufacturing of consumer and industrial products.

a region of the Midwestern United States where corn/wheat has, since the 1850s, been the predominant crop, replacing the native tall grasses.

the largest tributary, by volume, of the Mississippi River.

a federal-provincial highway system that joins the ten provinces of Canada

generally refers to the economy, which is based on economies of all of the world's countries, national economies

either tax on imports or exports (trade tariff), or a list or schedule of prices for such things as rail service, bus routes, and electrical usage (electrical tariff, etc.).

a river that flows from southwestern Colorado in the United States to the Gulf of Mexico

the largest state in the United States by area