The answer to this question is 40-60% ; 25%
Other estimation is based not based on the raw intellegence possesed but rather based on whether they could use the intelligence for real life purpose. Studies shows that even though young adults already fully developed the capability for formal operational thinking , onle a quarter of them actually got used to doing it.
Answer: The first one is Benito Mussolini
Explanation: And, I can't figure out the rest because of how you worded it or how you pasted it.
Deforestation, limited resources,