Answer:D
Explanation:
None of the answers explain it concisely but they need rules so that when they are doing research all procedures are the same so that results are consistent and verifiable.
Thomas Jefferson, a spokesman for democracy, was an American Founding Father, the principal author of the Declaration of Independence (1776), and the third President of the United States (1801–1809).
Answer:
Reconquista, Spanish Inquisition, conquistadors travel to new world, then convert the conquered colonies to Christianity