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.
Difference Between Cajun and Creole. Cajun and Creole are words that refer to a particular sect of people belonging to Southern Louisiana. Though the words are familiar, people have rarely looked at the differences between the two. One of the main differences that is said is that Cajuns have rural origins, while the Creole have urban origins.
Thickener. A roux can be used in either gumbo though Cajun gumbo tends to have a dark roux while Creole's is lighter. Roux is made from a mix of flour and fat that thickens the gumbo and cooks along with it. The longer you cook the gumbo, the darker the roux.