Answer:
where is underline? how can I tell without underline?
It can identify your target audience
Creating an audience profile, you will be able to see the social and economic characteristics of your audience, that will allow you to identify your target audience.
Food, gas and clothing were rationed. Communities conducted scrap metal drives. To help build the armaments necessary to win the war, women found employment as electricians, welders and riveters in defense plants. Japanese Americans had their rights as citizens stripped from them.