The former had occupied himself principally on the subject of Slavery.

The latter went to the root of the evil, and more frequently attacked the Trade.

The former chiefly confined his labours to America, and chiefly to those of his own Society there.

The latter, when he wrote, did not write for America only, but for Europe also, and endeavoured to spread a knowledge and hatred of the traffic through the great society of the world.
One of the means which Anthony Benezet took to promote the cause in question, (and an effectual one it proved, as far as it went,) was to give his scholars a due knowledge and proper impressions concerning it.

Situated as they were likely to be, in after-life, in a country where slavery was a custom, for the promotion of his plans.
To enlighten others, and to give them a similar bias, he had recourse to different measures from time to time.