Who did the europeans get to work on plantations and in mines when most of the native population died

What is the role of judicial review in american government? it provides the executive and legislative branches with another check on the powers of the judicial branch. it allows the federal courts to review proposed legislation and possible executive actions for potential issues. it invalidates the election of any federal or state official who cannot demonstrate acceptable knowledge of the constitution. it interprets the vague language of the constitution, which allows the document to survive changes in society.