Hi there! I feel that C.) would be the best answer for this question. Fighting in a war wouldn't show that you value the culture of your homeland, like shown in answer A.). B and D seem irrelevant to the question at hand, and since the language of a country relates directly to the culture and answer C.) shows that Juhan values it, it'd be safest to go with that answer.
Answer:
a noun clause is a name of a person, a thing or a place that is used in statement.
an adverb clause is used to describing a verb.That is an action.
The adjective is use to modify the action or the thing
False because you might influence others
The answer would be an argument.
It can reveal how the writer has tried to engage the reader.