Answer:
D. television
Explanation:
During the 1950s and 1960s, television was introduced to the US, and companies took off from there. Television evolved from silent, black and white scenes to color.
Previously, the US was already regarded by many as a nation of prosperity and wealth, and this invention only reinforced that.
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During the development of an organism, from a single fertilized egg into adult form, cells become specialized through a process called differentiation.
During differentiation, genes that are activated determine the type of cell it will become. I hope that's what you need
“We see different views of the Universe from where we live as Earth makes its yearly trip around the solar system. That is why we have a different Star Finder for each month, as different constellations come into view.”
They feared the war would become violent and the USSR would have war with weapons
Answer:
Made the railroads the first industry subject to Federal regulation
Explanation:
With this act, the railroads became the first industry subject to Federal regulation. In 1887 Congress passed the Interstate Commerce Act, making the railroads the first industry subject to Federal regulation. Congress passed the law largely in response to public demand that railroad operations be regulated.