What characterizes the classical period of music

a) elegant and simple sounds
b) ornate and intricate melodies
c) the use of electronics to create sound
d) passionate and fiery sound

Classical music was a lighter sound then baroque music and not as hard to perform or understand making it less complex so i would say A

On July 2, 1921, U.S. President Warren G. Harding signed the Knox–Porter Resolution, which had been passed by the U.S. Congress and ended the state of war between the U.S. and Germany, Austria and Hungary, further setting the stage for bilateral peace treaties.