Answer:
Unity under one government
Explanation:
Having a high opinion can mean that you see the value of something or somebody. <em>Having sufficient power</em> and <em>their own specific interests </em>are restricted to the 1st person singular or plural in a <em>selfish </em>manner. <em>The intelligence of other countries</em> is not something that crosses your mind when you think of your country. <em>The unity under one government </em>is what the history of the United States of America (the independence) has taught American people to appreciate, nourish and value.
I'm pretty sure the answer is C
The best way to understand an informational text is by reading the important facts including numbers, etc. (If there's any)
A thesaurus maybe, to find the synonyms of convenient.
