Think about how different class systems of people are represented during Art of Europe and America (1700 - 1900). Looking at the values and representation of values or ideas, please compare and contrast the visual subject, form, and content of these two art works that represent the differences and similarities: "The Swing", by Jean-Honoré Fragonard and "The Oath of the Horatii", by Jacques-Louis David.

How can i find out about class system during that period of time?

Certainly these were presented in your text or your school's recommended materials.

Read lots and take good notes:

http://www.google.com/search?q=europe+classes+18th+19th+century&oq=europe+classes+18th+19th+century&aqs=chrome..69i57.29956j0j8&sourceid=chrome&es_sm=122&ie=UTF-8

Then scrutinize the paintings:
http://www.google.com/search?q=%22The+Swing%22,+by+Jean-Honor%C3%A9+Fragonard&es_sm=122&source=lnms&tbm=isch&sa=X&ei=oL-VVbGaEIXesAWph4CwAw&ved=0CAcQ_AUoAQ&biw=1366&bih=643

http://www.google.com/search?q=%22The+Oath+of+the+Horatii%22,+by+Jacques-Louis+David&es_sm=122&source=lnms&tbm=isch&sa=X&ei=5L-VVcTYNcXvsAXY2KXYAQ&ved=0CAcQ_AUoAQ&biw=1366&bih=643

To find out more about the class system during the 1700-1900 period in Europe and America, you can start by conducting research using various reliable sources. Here are some steps you can take:

1. Utilize library resources: Visit your local library and access books, encyclopedias, and academic journals related to European and American history. Look for books specifically focused on 18th and 19th-century society, class structure, and art history.

2. Online databases: Use reputable online databases such as JSTOR, ProQuest, or Google Scholar to search for scholarly articles and papers that discuss the class system during the specified time period. Filter the search results by relevant keywords like "social classes 18th century" or "class structure 19th century."

3. Online resources: Explore websites of renowned museums or art galleries that feature collections from the 1700-1900 era. Many of these institutions have detailed descriptions about the historical context, including information about the class system. Additionally, online platforms like Khan Academy provide free art history courses that cover various periods, including the class structures of Europe and America during this time.

4. Academic journals: Look for academic journals specific to the fields of art history, history, or sociology. These journals often have articles that focus on social structures of different time periods and regions. Access these journals through your library's website or consider joining a platform like JSTOR for wider access to scholarly articles.

5. Historical documents and primary sources: Seek out primary sources such as diaries, letters, and newspapers from the period. These sources often offer firsthand accounts and insights into the social structure of the time.

By following these steps, you can gain a comprehensive understanding of the class system in Europe and America during the specified period, which will provide a contextual backdrop for analyzing artworks like "The Swing" by Fragonard and "The Oath of the Horatii" by David.