Answer
Creating original research
A primary source is preferable to a secondary source when creating original research.
Answer:a rule or order issued by the president to an executive branch of the government and having the force of law.
Explanation:
I think it is a but I could be wrong
The increased migration and increased population that the United States saw during (any) era are examples of "<span>c. demographic and environmental changes," since these have to do mainly with population distribution. </span>
