Final answer:
The final sentence of Trollope's account suggests that the purpose of the camp meeting for the preachers was successfully fulfilled in raising funds for religious purposes, with a 'very satisfactory collection' made for Bibles, Tracts, and other related activities.
Step-by-step explanation:
From the final sentence of Trollope's account, you can conclude that she viewed the purpose of the camp meeting for the preachers as being successful in terms of fundraising for religious purposes. The collection made was deemed very satisfactory for Bibles, Tracts, and other religious purposes, indicating that the preachers were effective in their endeavors at the meeting. Moreover, the term 'very satisfactory collection' suggests that Trollope saw the event as a fruitful one for the preachers, possibly in both a spiritual and material sense.