The total number of unemployed people is the statistic.
Explanation:
The number of unemployed people is defined by the number of people who do not have a job but are actively seeking employment.
This also has a filter on the total population against the age limit below which it is not legally permissible to work.
So, considering all these filters have been met in the description of the statistic mentioned in the question it is easy to assume that this statistic is about the total number of people who are unemployed in an area or a country.
Answer:
The citadels of the Indus Valley are the walled citadel and religion. The walled citadel was formed on a raised platform of earth and brick. These citadels protected it from floods or people who wanted to attack. Scholars found statues and temples.
The alliance system drag other countries into the war, because of the treaties and peace acts they had made with each other. So if one country was attacked, the countries it had an alliance with. Would have to help fight back with them, and during that time almost every country had an alliance with another. So all it took was for another country with lots of alliances to attack another with just as many. To bring about a huge war, hope this helped.
