The answer is:
It suggests that Ben's father's intellectual curiosity is a positive trait.
According to the passage, Ben's father inquisitiveness and intense desire for knowledge equals U.S. president's Abraham Lincoln's curiosity. As a result, he takes his family on holiday from Michigan to South Dakota in a comfortable trailer to go camping and see waterfalls, forests and Mount Rushmore.
Explanation:
it's means man is moving from a primitive stage to a learned stage, man can do things in a smart way, man can be able to think and create solutions for himself, solutions on how to react to things, what to do, how to solve its economical, sociological, scientific, and natural problems. man is changing in a positive way and a task solver.
The man in the back row brought his friends with him
man (subject)
in the back row (preposition)
brought (verb or predicate)
with (preposition or possession)
Maximumplus add me! let em dig it im no shovel ...