Premise:
"Furthermore, the availability of legal services for H-2A workers from non-LSC funded nonprofit organizations and private attorneys is extremely limited; and government agencies either lack the resources or the legal authority to enforce the statutory rights of these workers."
Hypothesis: The lack of availability of legal services for H-2A workers means that many of them have no representation.

it is not possible to tell

Premise:
"but it takes away employment from the resource that its using"
Hypothesis: This creates more employment opportunities.

no

Premise:
"After relying exclusively on overseas trade, Venice created a new land-owning aristocracy through this expansion."
Hypothesis: Venice never traded with anyone.
no