This refers to the story "Marriage is a Private Affair" by Chinua Achebe.
Nnaemeka wants to wait until he can see his father and is able to tell him in person. He is worried that his father will hate the idea of the marriage, because Nene (his fiancé) is not from the Ibo tribe. Moreover, she was not chosen for him in an arranged marriage, as is tradition. Nnaemeka is worried his father will disapprove of the marriage. He ends up being right as the father is enraged to find out the news.
Answer: Adjective Clause
In the sentence, the bolded words are "where they would be protected from the wind."
Adjective clause is a kind of subordinate clause that describes a pronoun or a noun. Basically, adjective clauses can be determined if they start with words like who, whose, whom, where, when, why, which, and that.
With this, the kind of clause of the bolded words is an adjective clause since that it starts with the word "where."
Able. A suffix is added to the end of a word