You are refering to Middle Passage slave trade right?
It started around 1440. For two hundred years slave trade was monopolized by Portuguese It is hard to estimate how many people were kidnapped form Africa, but it is estimated that around 6 million were transported in eighteenth century only.
Answer:
Added to this was the simple fact that, in the arms race, the United States had the much stronger economy. Part of the logic of proceeding with SDI was that, eventually, the arms race would cripple the Soviet economy.
Explanation:
With immigration rising in the 1820’s due to poor living conditions in Ireland. But the largest wave of Irish immigrations came after the Great Famine in 1845.
Hope this helps