What is the significance of the decline of the textile industry in 1964?

Not so sure im really trying to remember :(

Industry is especially significant when it is compared to the opportunities available to black workers in the industry before 1964. Indeed, prior to the 1960s, the textile industry employed African Americans only in a very Limited jobs.

Ifound this on google “the existence of agglomeration economies is central to the explanation of how cities increase in size and population, which places the phenomenon on a larger scale. the concentration of economic activity in cities is one reason for their development and growth.” i hope this you for what your looking for.