Answer:
Let's define our term first. According to the Merriam-Webster Dictionary, a strict constructionist is "one who favors giving a narrow conservative construction of a given document or instrument, specifically one who favors a strict construction of the Constitution of the United States." In other words, a strict constructionist of the Constitution believes in interpreting it exactly as it is written.
In the case of the Louisiana Purchase in 1803, the French offered the United States the entire Louisiana Territory of over 800,000 acres, which would double the size of the country, for the ridiculously low price of $15 million. Although he was eager to close the deal, Jefferson believed that the Constitution should be interpreted strictly and literally, and there was no provision in it regarding the federal acquisition of foreign land.
For this reason, Jefferson wanted to add a constitutional amendment before authorizing the purchase. However, Jefferson's cabinet and Congress disagreed.
Explanation:
D. a foundation for self-government

So an iron triangle comprises or makes the base of the policy making relation over or among the congressional committees,the bureaucracy, etc.
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Slavery came about when the slave trade did. The negative impacts on slavery coming from the slave trade resulted in a demographic disaster due to the large amount of African males being removed in the continent. Slavery was also caused destruction of cultural diversity during the time.