Natural resources - they took whatever they needed from nature, such as wood and other materials, and placed these public works and shelters somewhere in nature where they could find a good spot.
Capital resources - the money that came from the government or the ruling classes, tools, machinery, etc.
Human resources - people who worked on building these public works and shelters.
Amira, who is an obstetrician and is planning a year of professional service in India and is concerned that in that social context, closely examining a fetus while a woman is pregnant may contribute to families choosing to abort female fetuses. And that is not the goal of the tests, but to provide safe motherhood .