[tag=IN] [lemma=national] [word=law] [tag=IN] [tag=□]?
[tag=IN] [lemma=national] [word=law] [tag=IN] [tag=DT]?
[tag=IN] [lemma=national] [word=law] [tag=IN] [tag=IN]?
to offer protection by national law from unconstitutional state enactments .