Here are several points to consider when reading epic as a narrative - It most likely to tell a story about a hero's struggle in achieving his/her mission - Epics are always unrealistic, because it involves superhuman strength and valor - It represents several moral standards that people believed in the past - It confronts the reality of death as a spiritual model of development
I think it means that when people actually stood up for slavery, if they stood up enough, they could be heard. If they did not though, then they would not be heard.?