Use the diagram to answer the question. Effect:
Cause:
Countries and regions
have limited resources
Which effect BEST completes the diagram?
O A. Countries don't trade their goods with the other countries in the global
market
OB. People have access to a wider variety of goods and services
OC. People have all the goods and services they need and want
O D. Countries specialize in the production of goods and services to encourage
trade