Answer Wiki. Wikipedia has a fairly good summary - Modern art - defining it broadly as art from much of the second half of the 19th century through nearly 3/4 of the 20th. There's also a piece on Modernism in the arts from the mid-19th century through the present.
Another major difference that can be seen between Cajun and Creole is in their foods. The food of Creole is Afro-European with some French flair. On the other hand, Cajun foods have a French influence. One can also see that the two sects of people practise and love different music.
That's why you find tomatoes in Creole jambalaya and not in Cajun jambalaya, or why you often find a Creole roux made with butter and flour, while a Cajun roux is made with oil and flour. The only place to get true Creole and Cajun food is in Louisiana, or at least in the kitchen of someone from Louisiana. However, if traveling down South isn't in the cards, now you know a few tips that can help you determine if a dish is close to being authentically Cajun or Creole.