American Romanticism. 1800 - 1860. ROMANTICISM (like Puritanism and Rationalism) IS A FORM OF. A belief in the infinite possibilities available, and man\'s ability to strive for them honorably. IDEALISM. The Romantic Sensibility. began in Germany and influenced literature, music, and artis a reaction against Rationalismvaluing feeling and intuition over reasonviewing life as we would like it to be, rather than how it really is.