The correct answer is "an executive order". The President holds the "ordinance power", which allows him to issue executives orders and also run the executive branch. As stated, this power comes from the Constitution. The President can also allow other members of the executive department to issue orders.
Answer:
The US justified its military intervention in Vietnam by the domino theory, which stated that if one country fell under the influence of Communism, the surrounding countries would inevitably follow. The aim was to prevent Communist domination of South-East Asia.
Explanation:
