Picturesque scenes of nature, struggles for liberty, exotic scenes, and rebellion against reason in favor of emotion are characteristics of which of these "isms? "

The answer is "romanticism".

Romanticism was an imaginative and scholarly development that kept running from the late eighteenth century through the nineteenth century. It focused on forceful feeling as a wellspring of tasteful experience, putting accentuation on such feelings as fear, ghastliness, and the awe experienced in standing up to the sublimity of nature. It hoisted society workmanship, dialect, and custom, and contending for an epistemology in view of utilization and custom.

The answer to that would be prussia which would later be germany