GRE General Test: TC-683342 GRE Text Completion

To date, (i)_____pollution and regulating ocean resources have still not been comprehensively addressed by law, but international law—established through the customs and practices of nations——does not (ii)_____such efforts. And two recent developments may actually lead to future international rules providing for ecosystem (iii)_____.
Blank (i)
Blank (ii)
Blank (iii)