Why might some words in a text be in bold-faced type? A. They might be proper nouns.

B. They might be definitions or key concepts.

C. They might be historical information.

D. They might contain information from an outside source.

How is president obama using an appeal to reason, or logos, in this excerpt? by explaining why each person must work hard in order to succeed by explaining why working together is necessary for success by explaining why attempts at working together in the past failed by explaining why each person must look out for him or her self