essay

i have one Question essay should be 1200 words and the answer should be from the book. this is the qustion:

   How did the Classical Political Economists, Smith, Ricardo and Marx respectively address the issue of economic development and growth? To what extent are their ideas applicable to developing countries today?

this is the book link :

https://books.google.com/books?id=bGxVzEdae7UC&printsec=frontcover&dq=Economic+Development+by+Wayne+Nafziger,+fifth+edition.&hl=en&sa=X&ved=0ahUKEwiex4uAu6TSAhVrr1QKHc4rCgMQ6AEIGjAA#v=onepage&q=Economic%20Development%20by%20Wayne%20Nafziger%2C%20fifth%20edition.&f=false