40
Lesson 40 of 84 · Trade and Commerce
How Trade Shaped Civilizations
Producers create goods and services; consumers buy and use them. A farmer growing oranges is a producer; a person buying orange juice is a consumer.
Key Facts
1
Trade connects people globally.
2
Every choice has an opportunity cost.
3
Money is a medium of exchange.
Check Your Understanding
Question 1
1 of 2What is an opportunity cost?