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Answer :

Answer:

Con: the wall made people wary of China, decreasing trade. Con: the wall took so long to build that it did not help as much as it could have if it were smaller. Pro: it put criminals to to work, lessening their time to go against the law. Pro: the wall did help to defend against barbarian tribes.

Explanation:

the wall made people wary of China, decreasing trade. Furthermore, the wall took so long to build that it did not help as much as it could have if it were smaller.