Which of the following conclusions about slave trade is most valid based on the historical record a: is affected millions of africans b: it prevents brazil form becoming a prosperous country c: it caused europeans to establish colonies in the americas d: it caused africans to unite and support the abolition of slavery

Don’t know if you still needed the answer but it’s definitely not D, it’s A. It affected millions of Africans

not to sure sdi, strategic defense initiative

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.