USA HISTORY

Detailed explanation-1: -By the mid-twentieth century, one in every six working Americans was employed directly or indirectly by the automobile industry, and Detroit was its epicenter. The “Big Three” auto firms-General Motors, Ford, and Chrysler-were all based in metropolitan Detroit.

Detailed explanation-2: -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-3: -Why are all major auto manufacturers headquartered in or near Detroit? Because Henry Ford lived there. Detroit and its environs had a lot to offer the nascent auto industry around the turn of the 20th century.

Detailed explanation-4: -The Detroit Automobile Company (DAC) was an early American automobile manufacturer founded on August 5, 1899, in Detroit, Michigan. It was the first venture of its kind in Detroit. Automotive mechanic Henry Ford attracted the financial backing of twelve investors; Detroit Mayor William Maybury, William H.