Why did Jackson blame his rivals for his wife's death?

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.

Under president reagan, the united states began to develop the strategic defense initiative, nicknamed "star wars.” what was the goal of that plan?

Due to the red scare, immigrants from these two regions of europe's were strongly opposed by many americans