The correct answer is A. Organizing Roman history into 3 main eras
Explanation:
Periodization in history refers to the process of studying and categorizing events of the past in to block of time. This process is aimed at facilitating the analysis of historical events and understanding the causes of specific historical processes. Additionally, periodization is useful as blocks of time are organized according to relatively common characteristics. Considering periodization is applied when categorizing or organizing events of the past, it can be applied to Roman history which result could be 3 main eras with common historical features. Thus, periodization is useful in the case of organizing Roman History.
Explanation:
Public opinion is measured by election results, personal contacts, media reporting, and especially by polls. ... People express their opinions by voting, writing letters or emails, making phone calls or holding public meetings. Interest groups also share the views of their members in hopes of influencing public policy.
The new negro movement encouraged African Americans to become politically active and racially conscious
