I believe the answer is: 7 years old
On average, children started to develop the ability to categorize things that have similarities on the same group between the age of 7-9 years old.
During this time, children would started to see the characteristics of different cultures and would match it with the cultures that taught to them whcih resulted in different attitudes on those cultures.
Answer:
Explanation:
Step 1: Acknowledge your inner researcher. If you've ever bought a car or found a babysitter, you have done research.
Step 2: Think ahead—what sources will you need? Evaluate your assignment details.
Step 3: Contact a librarian.