GENERAL KNOWLEDGE

Detailed explanation-1: -The “Big Three” auto firms-General Motors, Ford, and Chrysler-were all based in metropolitan Detroit. The auto industry consumed vast amounts of steel, glass, copper, and (later) plastic, fueling the rise of a host of auto-related industries in and around the city.

Detailed explanation-2: -The Big Three automakers. About 3, 000 automobile companies have existed in the United States. In the early 1900s, the U.S. saw the rise of the Big Three automakers; Ford, GM, and Chrysler. The industry became centered around Detroit, in Michigan, and adjacent states (and nearby Ontario, Canada).

Detailed explanation-3: -Long recognized as the historic heart of the American automotive industry, Detroit took on the nickname “Motor City.” The state’s automotive industry provided the model for mass production that other industries later adopted. Henry Ford pioneered the use of the assembly line in manufacturing automobiles.

Detailed explanation-4: -Detroit is best known as the center of the U.S. automobile industry, and the “Big Three” auto manufacturers General Motors, Ford, and Stellantis North America (Chrysler) are all headquartered in Metro Detroit.