Step 1 · Read the article
Open the article and read it at the level above. Then answer the questions below in your own words.
https://smallwhale.org/articles/commerce
Step 2 · Questions
1. What is the key auxiliary commercial services?
2. What is the 20th century logistics innovation?
3. How did people trade before money?
4. Why did money become useful?
Step 3 · Words to know
Write what each word means, using the article.
Step 4 · Two facts in your own words
Do not copy the article. Write two things you learned, the way you would explain them to a friend.