Question

topic sentence: limiting or even blocking trade makes building difficult for countries. what is the best revision for this topic sentence? economic sanctions that limit or even block trade make it difficult for countries to continue illicit weapon building. economic sanctions make it tricky for countries to build weapons. limiting or even blocking trade makes it difficult for countries to continue illicit activities.

Explanation:

The original topic - sentence is rather vague. The first option clarifies that the trade - limiting actions are economic sanctions and also specifies the illicit activity as weapon building. The second option is too general about the building (not specifying illicit weapon building). The third option is too general about the illicit activities. The first option provides more context and clarity.

Answer:

Economic sanctions that limit or even block trade make it difficult for countries to continue illicit weapon building.