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.
Cajun French Language Dictionary. Cajun French is different from the language spoke in France. The Acadians migrated from France over 300 years ago. Just as Americans speak English differently after being separated from England for hundreds of years, the same is true of the Acadians.