Final answer:
Sociologists would describe Marie's feelings of pride when French athletes win at the Olympics as nationalism, which signifies devotion and loyalty to one's nation.
Step-by-step explanation:
Sociologists would likely use the term nationalism to explain Marie's reactions of pride and devotion when French athletes win events and the French national anthem is played at the Olympics. Nationalism is associated with a sense of pride in one's country and often involves a significant emotional connection to national identity, symbols, and heritage. It represents the feelings of loyalty and devotion to a nation, putting the culture and interests of the nation above those of other countries or supranational groups.