The answer is "operant conditoning".
Operant conditioning is a technique for discovering that happens through prizes and disciplines for conduct. Through operant conditioning , an individual makes a relationship between a specific conduct and an outcome.
Operant conditioning depends on a genuinely basic preface - activities that are trailed by fortification will be reinforced and more inclined to happen again later on. In the event that you recount an entertaining story in class and everyone snickers, you will presumably probably recount that story again later on.
D.
I believe is the answer
Hope this helps, sorry if not tho
Answer: d)
Explanation:
They have improved their economy by improving agriculture and because of it, they grew financially. By improved agriculture, we are considering a good quality of the crops which is rice (the most important) in Vietnam and it is growing around in the Red and Mekong river.
Other crops are corn, nuts, sweet potatoes and more. With the good quality of food, more people will want to buy them and that is where the economy rise starts.