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.
Answer:
so we learn from others and dont repeat the same mistakes as they once did
Answer:
Reconstruction, in U.S. history, the period (1865–77) that followed the American Civil War and during which attempts were made to redress the inequities of slavery and its political, social, and economic legacy.
Explanation:
Answer choices for the question?
