Why did Texas and other southern states decide to secede from the union in 1861?

Like many cities in the south, atlanta was poorly prepared to meet the emergency of the great depression.  which statement  bestdescribes how atlanta was poorly prepared?

What refers to the existence of more than one level of government in the country

Which of the following studies is linked most directly to the establishment of the national research act in 1974 and ultimately to the belmont report and federal regulations for human subject protection? a. the public health service tuskegee study of untreated syphilis in the negro male.b. stanford prison experiment (zimbardo).c. tearoom trade study (humphreys).d. the harvard t3 study.