For example, panic attacks, particularly those that occur at nighttime, may result in lightheadedness, which can in turn cause dizziness and hyperventilation. Patients with post-traumatic stress disorder may also feel dizzy when lying down, although this is rare.
Introduction. The Great Migration, or the relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from 1916 to 1970, had a huge impact on urban life in the United States.he Great Migration also began a new era of increasing political activism among African Americans, who after being disenfranchised in the South found a new place for themselves in public life in the cities of the North and West.
Its strong hold on these voters was due largely to the social, political, economic, and cultural changes wrought by the Depression, the New Deal, and World War II. African-Americans. One important demographic change underlay the experience of African-Americans during the Roosevelt years. The migration of African-Americans from the South to the urban North, which began in 1910, continued in the 1930s and accelerated in the 1940s during World War II.