The correct answer is B, as the main theme of Crevecoeur's writings about colonial America was the American dream.
Michel Guillaume Jean de Crèvecœur was a French-American writer.
He was the first writer to describe Europeans the life on the American frontier and to explore the concept of the American dream, presenting American society as characterized by the principles of equal opportunity and self-determination. His work provided useful information to understand the "New World" that had helped to create an American identity in the minds of Europeans by describing an entire country instead of presenting it as another regional colony. The writings highlight American inventiveness and uncomplicated lifestyle. It describes the acceptance of religious diversity in a society created from a great variety of cultures and ethnicities.