Historical Data on International Trade Shows That in 1820

Multiple Choice

Historical data on international trade shows that in 1820:

A) about 10 percent of the world's production was exported to other countries.
B) about half of the world's production was exported to other countries.
C) about 1 percent of the world's production was exported to other countries.
D) just one-tenth of 1 percent of the world's production was exported to other countries.