Read the excerpt from "The Weary Blues." Ain't got nobody in all this world,
Ain't got nobody but ma self.
I’s gwine to quit ma frownin'
And put ma troubles on the shelf.

What is the effect of repeating the phrase “ain't got nobody” in the poem?
It emphasizes the theme of sorrow and melancholy in the poem.
It illustrates the singer's reluctance to perform the blues.
It shows the singer's desire to connect to other musicians.
It personifies the singer's thoughts and emotions.

europe would not recognize the confederacy as an independent nation.

genetics is the study of how dna works, the methodologies defining the new recent technologies allow scientist to have a panoramic view of the entire dna landscape, especially how genomes interact with their environment, including off course, factors outside their organisms.

thus is very possible the existence of both scenarios, where populations of isolated individuals have different genetic traits, and share traits related to genetic mutation, due rats can easily travel overseas using human transport channels. so scientists could get a vast number of data, including human interaction, evolution of rodents, health development, spread of infections, development of new organisms, how genomes evolve in different environments and so on.

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.