Which is prohibited in a command economy?

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change

What caused the settlement of more african americans in the mississippi alluvial plain region then in the ozark mountains region?

Explain what commentary austen is making about social conversation based on this excerpt. your answer should be at least 150 words.