Answer:
c. the actions of the colonists are foolish and ineffective
Explanation:
The colonialist of the excerpt were trying to find a solution to a problem that did not exist, therefore needed no solving. The rock wasn't in the way of the railroad, still, they were unsuccessfully trying to blow it. It does sound like a silly behavior.
<span>"The long and meticulous study and debate" since everything else is just serving as details to it.</span>
you know more that the normal amount of knowledge you need to know or you are really good at something so it is easy for you to explain it to someone