What method of manufacturing, introduced in the early 1900s, made mass production possible?

The assembly line

Explanation:

An assembly line is a manufacturing process in which parts are added as the product is moved from one work station to another until the assembly process is completed. The assembly line was first patented in 1901.

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facts: the 14th amendment

the 14th amendment addresses citizenship rights and equal protection of the laws.

the 14th amendment was intended to protect the rights of former slaves after the american civil war.

the 14th amendment was approved by congress in june of 1866 and ratified by the states on july 9, 1868.

the 14th amendment establishes that all persons born in the united states are citizens and are guaranteed all the rights of citizenship.

the 14th amendment establishes that the law protects all citizens equally.

in this case the passage of the 14th amendment   that was violated was the last part in which it states that there is equal protection of the law.

answer; sociological imagination;