1.c
And 2.true sry if wrong
Answer: The Great Depression
<span>"The greatest
enemy of knowledge is not ignorance it is the illusion of knowledge", is a
beautiful quote by Mr. Hawking which means that a person who is ignorant is not
that much dangerous for knowledge as the one who thinks he already know
everything. Because an ignorant one can b taught but the one with the illusion
of knowledge refuses to learn.</span>
