Which of the following explains a continuity in the effect of technological innovation on the production of goods in the late 1800s?
A. Improved manufacturing practices gradually reduced reliance on immigrant workers.
B. Improved quality of manufacturing steadily decreased demand for consumer goods.
C. New types of transportation increasingly shifted industrial centers from the North to the South
D. New industrial machines increased the number of goods that factories could make.

The correct response is Option D: New industrial machines increased the number of goods that factories could make.

Explanation:

After the Civil War, the United States grew rapidly and quickly became an industrial nation. This growth was fueled by : Innovations in technology, and the development of large-scale agriculture, and the federal government itself expanded. There was also tensions regarding immigration and federal Indian policy and the late 1800s there was increased demands for workers and women rights. Many inventions in the late 1880s helped to fuel the growth of cities. Thomas Edison’s invention of the electric light bulb made it more practical to light factories and homes and extended the workday as it allowed people to work and accomplish things at night as well.

i know social security wasn't one.

explanation:

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either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.