Answer:
A, because of the cataracts.
Explanation:
The cataracts made the river too dangerous to travel in as the rock filled rapids would destroy the boat, and destroy them.
This is called critical patriotism.
hope this helps!
The cultural borrowing is defined as an “imitation” of actions or habits between two or more social groups through contact, or information exposure.
In this passage of Wang Kŏn, we can appreciate his opinion about the national identity. Over the years, Corea was under the influence of countries such as China that is why it was customary to follow its models as a reference in many fields (economic, institutional, political, etc.). Then arose the Wang' statement, who said this behavior was illogical because their situation was very different, his nation has other factors such as geographical location and type of population that make unjustified to pretend to do the same as other cultures.