Why did barrett open the locust street settlement house?

Once the plague became airborne, how could it then be spread?

How and why did many southerners attempt to stop the laws congress passed?

Prior to the presence of europeans on the continent, the slave trade in africa a) did not exist in any form. b) was limited to internal trade only. c) included the trans-saharan and indian ocean slave trade. d) was rarely needed due to the lack of an agricultural economy.