The correct answer is <span>A) It wasn’t necessary to rebuild land and industries.
There was nothing to repair or rebuild since the war wasn't fought on American soil. This meant that while Europe was ravaged, the US could produce things and send them to Europe and sell them or donate them or similar things. The economy boomed because there were no competitors on the world market.</span>
Laissez faire meaning to just let things "play out" meant that business operates without government interference. This is similar to natural economic law because was claimed to be based on this policy.
