If I am not mistaken I believe it is true.
Dogs played important roles in the Atlantic slave Trade because they helped capture slaves in Africa and were used to run slaves down similarly to how dogs are still being used today in the mountains to hunt down and keep sheep at bay. This is the similarity between the two.
They were limited by the absence of federal authority to regulate slavery.
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Most of today's suburbs were farmland during the 1940s. ... Understanding why people began moving to the suburbs is important. The migration had a huge impact on U.S. energy use (suburban living encourages driving; urban living encourages walking) and schooling (suburban schools are often superior to urban schools).