Which situation might cause a country to specialize?

wheat production in a land with fertile soil.

Explanation: International trade has allowed countries to specialize in the production of products they can produce in masses that other countries might not be able to. China is world renown for its manufacturing and industry. They allow businesses all over the world to outsource their manufacturing of products to lower the cost of goods they sell. Brazil is known for being the largest producer of coffee, thus specializing.

wait i don't understand this, but my guess is that this is a trick question.

the ingredients listed on a label are listed by amount. the ingredient there is the most of is listed first and it trickles down to the ingredient there is the least of.