A main idea of the speech "A Model of Christian Charity" is "The settlers’ survival depends on their ability to work together," as stated in option A.
The main idea of a speech is the most important message or piece of information that the speaker wants to convey to his audience. Here, we are analyzing Winthrop's speech "A Model of Christian Charity" for its main idea.
The best option among the answer choices provided is "The settlers’ survival depends on their ability to work together." Winthrop wants his audience to become more cooperative toward one another, basing their actions on what is right and in accordance to God's law. According to the speech, by working together and upholding God's law, the settlers would thrive.
With the information above in mind, we can choose option A as the correct answer.
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