回复：回复：这算不算劳动剥削？美国有什么样的法律管这样的事？

You are right about it. B can not collect money from goverment directly; however A can. However A can not collect from goverment from B's service. Otherwise A is fraud.

So A is fraud without B's agreement because A actually did not do all the service and both A and B are independent contractors.