Answer:
Need, Want
Explanation:
'Need' is defined as the 'lack of subsistence' which implies that 'when an individual feels destitute of even the basic requirements of life such as food, shelter, and clothing. On the other hand, 'want' is characterized as a 'wish or desire for something' which is similar to need but it is shaped by the individual's personality, culture, and the knowledge possessed by him/her. For example; a common person's desire could be to buy a car while an individual with a high-standard personality might desire an international trip or to possess a business of his own.
The last one, “For instance, the wright brothers dreamed of being able to fly, so they invented the airplane.”
