It is B the use of caesura
Social identity theory is the study of the interaction between personal and social identities in social psychology. The goal of social identity theory is to specify and predict the circumstances under which people perceive themselves as individuals or as members of groups. The theory also takes into account the effects of personal and social identities on individual perceptions and group behavior.
ps. rewrite this a bit love:)
"<span>A."Voyager I" was launched by NASA on September 5, 1977" does not contain any errors in punctuation, although italics are not showing up. Nothing should be italicized here though. </span>
The Great Depression happened in the 1920's and 1930's due to many economic disasters such as the Market Crash in 1929 and bad mistakes by the President (Hoover)