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.
The 21%, since the 42% of the programs had offensive language, 27% of them were too violent and 10 % were violent and had offensie language this gives a total of 79% of the shows being unsuitable while the rest ,are suitable for them.