Answer:
Unity.
Explanation:
In my perspective this is the most important charactertic of soceity because a sense of unity creates spaces and comfort for many.
Finding new labor to replace slavery.
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.
An object that does NOT transfer heat well
The answer is True
Explanation: Human development is a concept based on the idea of human beings' freedom, so that they have the opportunities and capacities to live with quality of life and according to their goals.