Which of the following is an impact of the Uruguay Round on world trading practices?
a. Services were excluded from international trading rules for the first time.
b. Licensing standards for professionals are different for foreign applicants.
c. Strict quotas limiting imports from developing countries were introduced.
d. The rules protect patents, copyrights, and trademarks for twenty years.
Answer: d. The rules protect patents, copyrights, and trademarks for twenty years.