The Transatlantic Triangle refers to the Europe-Africa-America-Europe relationship, in which European ships exchange goods in Africa, buy slaves they take to America to use as labor, and then return to Europe with products such as sugar, rum , indigo, tobacco, cotton and coffee.
Around 1700, the Caribbean became known as the "central passage" because they marked the midpoint of the Atlantic Triangle.
The role of judicial review in American constitutional government is so that the court systems (judicial branch) can make sure that any law passed by Congress does not interfere with the Constitution.