Question

Why does specialization contribute to globalization? A: Consumers can spend most of their money on one or two goods B: Countries can decide which nations they wish to trade with C: Companies can make many more items than before D: Countries can focus their resources on making certain goods for trade I'd say D?

Answer 1

The answer is C: Companies can make many more items than before 
Expanding the scope of trade can also decrease costs, if resources or products are limited and expensive in one place but abundant and cheap somewhere else or if people in one place are willing to accept a small amount of payment for their work than in another.