Violet
When white light is spread apart by a prism or a diffraction grating, the colours of the visible spectrum appear. The colours vary according to their wavelengths. Violet has the highest frequencies and shortest wavelengths, and red has the lowest frequencies and the longest wavelengths.
Answer:
These statements are correct:
- World War I and its impact in the U.S. was a major influence on the Great Migration - World War I helped boost industry in the northern cities (both world wars impacted industry positively in the U.S.), and this accelerated the pace of the migration of African Americans from the South.
- The Harlem Renaissance is seen as a result of the Great Migration - During the Great Migration, many African Americans emigrated to Harlem. A majority of them had benefited from the end of slavery, for example, they had become literate, and this higher rate of literacy helped the cultural movement.
- Manufacturing and industrial jobs were a major draw for people in the Great Migration - it was probably the main draw. The South war rural, poorer, and African Americans were treated poorly there despite not being slaves anymore. The North and Midwest, on the other hand, were industrial, booming, and wealthier, and African Americans went there looking for jobs and a better life.
I think what you're trying to ask is that the US expands to all of NA. That would be manifest destiny.
Qing dynasty between 1661 and 1722
The correct answer is A) fear of communism and the USSR was increased.
A result of the trial and execution of Ethel and Julius Rosenberg for espionage in 1953 was that fear of communism and the USSR was increased.
During the Cold War years, the United States and the Soviet Union competed in almost everything, including in the arms race and the space race. During this period, the world lived tense moments and even, the world was on the brink of another war due to the Cuban Missile Crisis of 1962.
In the case of Ethel and Julius Rosenberg, they were executed because the government proved that they had given top-secret information to the Soviet Union, regarding nuclear bombs. They were accused of being spies and of conspiring against the United States. These events and all the scenario of the Cold War and the Red Scare accusations of the US having Communists infiltrated in the federal government and in the military, only increased the fear of communism and the USSR.