Answer:
1. Obstacles.
Step-by-step explanation:
As per the question, the word that best matches the italicized or highlighted word 'impediments' would be 'obstacles' as it not only comprehends the meaning of the given sentence but also describes the word appropriately. It implies the meaning 'a hindrance(or obstacle) that hinders or obstructs the path of growth or progress'. Thus, the sentence(according to this meaning) suggests that 'The class talked about the factors that create obstructions or hindrances(impediments) to their path(to progress) of good education. Therefore, option 1 is the correct answer.