Final answer:
The author intended to convey that the Great Depression was a period of significant hardship that also prompted innovation and creativity in response to the crisis, such as the New Deal and Keynesian economic theories.
Step-by-step explanation:
The author's statement that the Great Depression "proved to be a time of both crisis and creativity," indicates that while the period was marked by severe economic downturn and hardship, it also spurred a great deal of creative problem-solving and ingenuity. The correct option that reflects what the author meant is a) The Great Depression led to a crisis, but it also sparked creative solutions.
The economic challenges of the era led to innovative programs such as the New Deal, which saw the introduction of initiatives like the Works Progress Administration (WPA), designed to provide employment and stimulate the economy. Advances in thought, such as those of economist John Maynard Keynes who analyzed the underlying economic issues, also emerged. In addition to governmental responses, there was a spirit of community and mutual support which fostered a distinct cultural and social environment despite the adversity.