How has the American Red Cross Changed since it was found in 1881

"[a]ll language is verbal, but only speech is oral." (henry hitchings, the language wars: a history of proper english.farrar, straus and giroux, 2011) oral communication is speech, conversation.verbal ability is one's skill with words, and the verbal section of the sat, the college entrance examination, tests a high school student's knowledge of written language. .

the answer is:

c. economic output