I believe the answer is Group entitativity
Group entitavity happen only if all members of that group had eliminated all of their individualistic purposes and live solely to serve the group's goal.
One example of a group entitativity would be the Japanese airforce soldiers during world war II, who were glad to conduct 'Kamikaze' (sacrificing their life by colliding their own planes to enemy's base)
Dana (30) most likely due to people becoming more stable in "Mid-Life," A range from around 25-45. It starts to become unstable around 50, so my guess would be Dana (30)
Commander staff people, Forces, and individuals facing the problem of isolation. United States of Defense Department provides the facilities of imparting Education and Training plans and protecting the noble and basic rights of US Armed forces.
Explanation:
US Defense Department has a good reputation in the US nation. This actually revealed the self-adjustable mechanism in which Armed personnel is being exploited during the time of War. The situation is considered as a very unusual issue. But in the emergency time, the morality of the Armed forces are being experimented with bad effects.
To protect them from such a danger zone, the types of people mentioned as three groups are educated and trained to gain their self-motivation as well as their self-dependent power during the critical period. Federal Government concentrates and adopts very sensitive based plans to counterpart the problems facing by the Armed employees.
That would be Florence. This city in Italy, that was often called " the Athens of the Middle Ages" was one of the wealthiest city in the world at one time and a center of commerce and finance. It is considered to be a birth place of the Renaissance. Due to its position at the time as a center of trade Florence dealt with many Islamic Civilizations across the Mediterranean and thus benefited from the trade-base cultural exchange.