Sorry to answer you so late but <span>"Humanism is a philosophical and ethical stance that emphasizes the value and agency of human beings, individually and collectively, and generally prefers critical thinking and evidence (rationalism, empiricism) over acceptance of dogma or superstition. The meaning of the term humanism has fluctuated according to the successive intellectual movements which have identified with it." I got this from Google.com
I hope this helped! =)
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The Romans liked Greek art and often took Greek slaves to make art for them.
Early Renaissance is the era I think
Nationalism is loyalty and devotion to one's nation. Composers created music directly inspired by political events and showed people's fears,hopes, and dreams.