Answer:
Culture
1920 was the period when Progressive movement started to gained its momentum. During that time, most people still mostly culturally conservative. The progressive movement rise the issue regarding people's view on social class and sexuality that challenged the pre-existing belief that Most American had.
Race relations
Race relations during this time period was on all time low. During this time, many States still openly adopted a segregation law, which prohibited African Americans from using the same infrastructure as the White citizens.
Immigration
In 1920s, anti-immigration sentiment started to appear within the people. Many people believe that immigrants were the responsible from the lack of job opportunities that they faced. This led to the creation of The Immigration Act of 1924 which limited the amount of Immigrants that can enter from Asia.
Politics
Republican, who advocated for a more Strict immigration policies rose in popularity within 1920s. They also obtain a lot of support by condemning the activism conducted by the progressive movements as 'Radical' even though it's targeted toward injustices that exist in USA at the time.
I think it 3. Black Plague
The development of printing initiated revolutionary changes that would change all of Europe. Such changes included an era of mass production of books. Then, as the availability and number of books increased, more people learned to read and write.
As reading and writing became more common, many more Christians could already read the Bible. As a result, the ideas of religious reformers spread faster and to a larger audience than ever was, and the movement known as the Protestant Reformation would unleash forces that would shatter Christian unity in Europe.
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.
