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.
Westward expansion had a negative impact on Native Americans. Their  whole way of life was taken away from them, along with the freedoms  they had always known. They were re â¦ moved from their land and placed  on small reservations.estward Expansion made Native Americans move to another place that they did not like. Several hundred books could be written on this one subject alone, and in fact there have been several hundred books written on it.