This is more of a science question, but ok. You see blue light because in the color spectrum blue passes most easily through things. Hence why the sky is blue. Its the light from the sun filtered out and only blue passing all the way through the atmosphere.
A. Samuel Gompers was the first president of the American Federation of labor
Answer:
D
Explanation:
don´t forget to brainllest
Answer:
The abolitionist movement was an organized effort to end the practice of slavery in the United States.
Answer:
Below
Explanation
elections using electoral systems where strategic nomination is a concern, primaries can be very important in preventing "clone" candidates that split their constituency's vote because of their similarities. Primaries allow political parties to select and unite behind one candidate.