It’s important for economies to invest in education and training of their people in order to develop new technologies because, when more people are becoming educated there are also going to be more advancements in that society.
The correct answer is panicky.
The author himself says that there were a lot of things around him that made him feel nervous, or the exact word he used is - panicky. I don't know the context, however, based on this excerpt it seems that he went through something dangerous or tragic that made him feel panicky about many things around him.