On shore at exotic locales they, like the men they accompanied, encountered people, cultural practices, natural phenomena, animals and plants that most Americans could only read about.
(they; accompanied; encountered people, cultural practices, natural phenomena, animals and plants that most Americans could only read about) (they; encountered; people, cultural practices, natural phenomena, animals and plants that most Americans could only read about) (most Americans; could only read; about)
they they most Americans
accompanied encountered could only read
encountered people, cultural practices, natural phenomena, animals and plants that most Americans could only read about
people, cultural practices, natural phenomena, animals and plants that most Americans could only read about
about