Barrack Obama has been the President of the USA since 2008. He will no longer be president this year as new elections are on the run.
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.
<span>He called it a reforming purge that was designed to help the
country. In reality, it was done to make room for his own party because
it was the spoil system in which the governmental positions would go to
party members, not to those who actually deserve it. During his first
term, he changed as much as 20% of government workers.</span>
Gold, and other natural resources the new world had to offer