The author suggests that, before the mid-twentieth century, most nations' actions with respect to territorial and international waters indicated that A. managing ecosystems in either territorial or international waters was given low priority B. unlimited resources in international waters resulted in little interest in territorial waters C. nations considered it their responsibility to protect territorial but not international waters D. a nation's authority over its citizenry ended at territorial lines E. although nations could extend their territorial dominion beyond three miles from their shoreline, most chose not to do so