This kind of depends on which emperor but probably D since C and A are situational
Answer:
C. Nixon quit as president before the Watergate
scandal made the news.
Explanation:
Because they were just now looking in the anatomy of the human body and the first vaccines were made
Answer:
O issue an executive order
Explanation:
An executive order is the veto power exercised by the president of United States of America in-order to ensure that his action that was of importance to the government is passed without the Congressional approval.
This order could be applied ranging from the health sector to the immigration sector.<em> An example is the placing of 11 countries on immigration ban by President Trump through executive order (as a result of non-approval by the congress).</em>