I believe gold, silk, and spices.
Radio programs.
One example would be <em>Lux Radio Theater, </em>sponsored by Lux, a brand of soap. The <em>Jack Benny Show </em>featured ads from its sponsor, Jell-O. Advertising agencies worked to target sponsorship and ads at the target audience of the programs.
Television, by the way, was just beginning in the late 1920s and didn't really become a dominant media until after World War II.
Answer:
It was characterized by heightened political repression and persecution of left-wing individuals, and a campaign spreading fear of alleged communist and socialist influence on American institutions and of espionage by Soviet agents.
Explanation:
It was characterized by heightened political repression and persecution of left-wing individuals, and a campaign spreading fear of alleged communist and socialist influence on American institutions and of espionage by Soviet agents.
The answer is d. The population of light-colored moths decreased and the population of dark-colored moths increased.
<span>Peppered moth color variation is a good example of natural selection. During the Industrial revolution, due to pollution, trees become darker in the urban area. Light-colored moths were, thus, easy prey. The dark-colored moths were able to camouflage on dark trees and avoid predators. The phenomenon is known as industrial melanism. So, in polluted urban areas, the number of dark-colored peppered moths increased. In the clean environment, were much effective in hiding from predators and they outnumbered the dark-colored moths.</span>