60
Lesson 60 of 84 · Trade and Commerce
Trade in Ancient Times
Nonprofits provide services like food banks, shelters, and educational programs that markets alone may not supply. Charitable giving plays an important role in the economy.
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?