Complex sentence: Maryland levied a tax on its residents on "the use, storage, or consumption" of articles within the state and also required all vendors, regardless of where they were, who sold goods to Maryland residents to collect this use tax.
Split into simpler sentences: Maryland levied a tax on its residents on "the use, storage, or consumption" of articles within the state. Maryland also required all vendors, regardless of where they were, who sold goods to Maryland residents to collect this use tax.