Triangular trade included the transfer of slaves to the americas. how did slave labor play a role in the increased relationship of trade involved in triangular trade?
a. slaves were not only traded, but often ultimately produced many of the raw materials produced for trade.
b. when the slave trade began to boom, the sale of manufactured goods decreased.
c. slave traders were often the highest market to sell to, encouraging colonists to allow them to dock in colonial ports.
d. the increase in dependency on slave labor led to a decrease in the production of manufactured goods.

On a map showing the employment density of an urban area that follows the urban realms model, which of following statements best describes what the distribution of jobs might look like? (3 points) jobs closely follow major transit routes. jobs appear to be shifting from the inner to outer core. most jobs are concentrated around the central business district. jobs are distributed roughly in circles. several edge cities contain high numbers of jobs. which of these is not a criticism of the concentric zone model? (3 points) it does not accurately describe cities after the rise of suburban development. it only applies to cities that grew after the development of the automobile. it fails to address the development of cities outside of the united states. it assumes that inner-city areas will always be repurposed instead of abandoned. it places too much importance on the traditional central business district.