Which should be the first sentence after rearrangement?

The correct sequence is DCEFBA Sentence D introduces the topic by stating that the American economy is a complex and dynamic system. Sentence C provides additional information about the diverse range of industries in the United States and its position as the world's largest economy. Sentence E further supports the discussion by mentioning the country's GDP and the factors that drive it. Sentence F acknowledges the challenges faced by the American economy, introducing a contrasting perspective. Sentence B elaborates on the role of government policies in shaping economic conditions, which is a relevant aspect of the topic. Sentence A concludes the passage by mentioning recent debates and their connection to economic factors and public policy decisions.