Answer:
i think its c, hope this helps!
Explanation:
Elizabeth || is the current Queen of England
<span>Found mainly in the Gulf of Mexico, it would be "A. oil" that is Mexico's most important natural resource, since this usually brings the largest amount of revenue. </span>
Ensuring C) domestic tranquility means ensuring peacefulness or calmness. Domestic tranquility refers to peace to peace at home. It can be applied to family as well as to states. When referring to states domestic tranquility refers to peace kept among states as set out in the Constitution. It includes the federal governments rights to end rebellions and smooth out tensions between states.
Since Roman was expanding and it didn't have control of their lands and couldn't govern most of it. It kept expanding until the western part of Roman was conquered by Barbarians.