The correct answer is The Igbo give words as much importance as food as a means of interaction and community.
Chinua Achebe uses proverbs profusely in his novels, especially in "Things Fall Apart. With this metaphor, Achebe highlights the importance of proverbs ins Igbo society. Palm-oil is a fundamental element in Igbo cuisine in order to give flavour and prevent the food from burning. Like palm-oil, proverbs add depth and nuance to the conversation and signal a key element of Igbo society.