A
"The United States was destined to stretch from the Atlantic to the pacific"
The balance of power can be maintained through <em>alliances. </em>This system allows the countries to plan and agree or disagree with decisions that concern each other. This way, a country that likes to emerge as a super power will be prevented itself from doing so.
The most common underlying reason is “Chronic Pain”.
Answer:
Use the percentage formula: P% * X = Y. Example: What is 10% of 150?
The answer you are looking for is option B