Is greed fueling the need of child labor in 3rd world countries?

Yes, that can be a contribution to child labor. Not only is it greed it's cheaper for child labor. Children often work because their parents are poor and need to provide for their families. Children are more defenseless and easier to force submission upon.

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.

newly independent countries of the former ussr