The leaders of the peace party hoped that Stephen Austin would make the decision of acceding Texas with the United States after his return from Mexico.
<u>Explanation:
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The leaders of the peace the party had tried to persuade Stephen Austin, the empressario of Texas, to accede the territory of Texas with the United States for a long time.
They wished that after Stephen Austin's return from Texas he makes an appeal to the residents of Texas telling them that they were now becoming a part of the United States.