How does the authors personal experience illustrate his main argument in this text

In "i know why the caged bird sings," how doesmarguerite's reaction to oppression differ from the reactionof the caged bird? •she refuses to dress nicely for mrs. flowers.•she refuses to leave the house.•she refuses to eat mrs. flowers's cookies.•she refuses to speak to anyone.

During the industrial age, what was one important way businesses told consumers about new products? through phonographs through telephones through telegraphs through catalogues

What is the central idea of paragraph 1 of the story?