Explanation:
Come back with your shield - or on it" (Plutarch, Mor. 241) was supposed to be the parting cry of mothers to their sons. Mothers whose sons died in battle openly rejoiced, mothers whose sons survived hung their heads in shame.
I think the answer is technology.
For example, since the development of satellite technology which could observe the world from above in the form of 2-dimensional picture, Geography could be developed into other things such as weather predictions, taking care of space objects, etc.
