Answer:
The other items you could have purchased with your $50
Explanation:
Opportunity cost represent the loss of potential benefit that occurs when you choose an alternative decision. This concept is usually used by businesses during their budget allocation process in order to find out the best way how to spend their capital.
On the example above, You receive $50 as a birthday gift. That $50 can be used for anything. You can choose to use it to purchase games, clothing, foods, etc. But you decided to spent it on wallpaper. By purchasing the ability you lose the opportunity to buy any of those other things. This loss is what considered as opportunity cost.
In both te Arab and France, commoners did not believe that they could live a better life and it took them years to realize this fact. In both the revolutions, common people got to know about the lifestyle of other people. The youth of both revolutions disagreed with their lifestyle and therefore, revolted. In both cases, there was high inflation and unemployment. Public speakings, pamphlets, magazines, newspapers were sources of information, in both the cases. The social, economic and political reasons were thus similar.
I would say that the social support systems of developed countries are far more advanced than those in developing countries. Developed countries invest about 40% of total money into these programs that ensure the safety of their citizens. On the other hand, developing countries invest less that 10% which means that the system is poorer and doesn't provide much for citizens.