It looks like 2) "it" would need to be changed.
to improve intelligence first the person wants to make people intelligent must be literate and if the people are literate it can be very great because literation leads toward victory and if the people of country are literate the country will be rich because everyone knows where to invest and where to spend money
Answer:
Remember to choose the one you know most about. Then write a sentence backing up your statement.
Explanation: