Why don't Cajuns speak much French anymore?

American State Bank of Grygla 5 BENEFICIAL State Bank 12 Cattaraugus County Bank 10 Clare Bank, National Association 4 FFB Bank 12 First National Bank in Tigerton 3 First National Bank of Scott City 4 Forte Bank 9 Hyden Citizens Bank 5 Lyndon State Bank 1 MID PENN Bank 9 New Era Bank 15 Sonata Bank 10 State Bank of New Richland 12 Valley Bank of Commerce 3 VALLIANCE Bank 6 Viking Bank, National Association 4 Watkins Savings Bank 1 YELLOWSTONE Bank 13 Zapata National Bank 8