Answer:
The correct answer will be options-
1. had understanding of scientific principles.
2. had understanding of scientific principles.
3. developed technologies which somehow were lost.
Explanation:
The ancient people are considered primitive in the sense that they lived during the time when they started understanding the world to exploit it. Scientifically they were all considered modern humans as they possessed the brain with the same capacity as we have that is 1500 cc.
The collected evidence show that they formed the earlier civilizations on earth and were aware of their natural world in which they were living and tried to understand the world so they can exploit nature.
The developed the scientific principles, developed the language of mathematics for business and the better economy as well as tools and techniques which helped their survival which was lost.
Thus, the selected options are the correct answer.
