I think the answer to this question is mountains
Answer:
The framers believed that in electing senators, state legislatures would cement their tie with the national government, which would increase the chances for ratifying the Constitution.
In spite of the wealth of the country Colombia and its natural resources such as coffee, emeralds and coal, Colombia has a turbulent history which caused a turmoil. And the answer to the given question is letter C. Powerful drug cartels and guerilla groups.
Yes, I think that identifying the purpose would increase the credibility of the source, so if we understand the "should" here as "would be good if, is recommended" - then this statement is true.
Including the intent of the information in the source will help place the information in a wider context - and often the context is necessary to fully understand the content of a source.