I believe the answer is: <span>formal operational
During </span>formal operational stage, most people would started to develop the ability to develop abstract concept which granted us the ability to create a hypothesis. On average, <span>formal operational stage happen when we're around 12 years old or older.</span>
I can't find anything but I found this if it helps I'm sorry If I didn't
https://www.google.com/amp/s/www.history.com/.amp/topics/exploration/hernando-de-soto
all i found aquandi and all around it
Option D, commerce is the answer