What passages show reliable source

Abird conservation society has a database of every bird spotted by members in the past year. to make this data part of a gis would require tying each sighting to

What does the quote describe? “the closeness of the place, and the heat of the climate, added to the number in the ship, which was so crowded that each had scarcely room to turn himself, almost suffocated us….the shrieks of the women, and the groans of the dying, rendered the whole a scene of horror almost inconceivable.”

Need ! how did sumner define liberty in the book of "voices of freedom"