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the introduction of Henry Ford's assembly line
militarism
early in the twentieth century
the love that our momys & daddys gave us..
politically unstable
on the twentieth day of January following their election
The two factors that led to the decline of American railroads in the latter part of the twentieth century were that more people were able to afford to buy their own automobiles and the increase of interstate highways and trucking.
Forced relocation to northern cities.
Transportation advances. It made things easier for people and goods to move quickly as well as cheaply
Twentieth."A twentieth" / "one twentieth" or "the twentieth" (depending on the context).The plural is twentieths.
Children's apparel production developed early in the twentieth century, concurrent with the emergence of the women's apparel industry.
Offshoring Production. Offshoring is for accounting practices.