Answer:
Reading the opening lines of Sojourner Truth's speech "ain't I a woman? the tone that these lines convey is indignation.
Step-by-step explanation:
The tone in a speech is the attitude that the writer or speaker take towards a subject or an audience. In Soujourner's speech clearly this idignant tone relfects the purpose of the message when she intervened about the matter discussed. Besides, after the opening lines Sojourner gave more ideas about women's conditions in coparison to men's that lead to this exasperated tone during the whole speech.