Which best defines the phrase "end of the cold war"?
a.
communist countries have disarmed all of their nuclear weapons.
b.
the berlin wall between east and west german was removed.
c.
the period of tension and rivalry between communist nations and noncommunist nations ends.
d.
the fall of communism in the western and eastern hemispheres.

frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. but frederick disliked rifle shooting and horseback riding. unlike his father, he was interested in french literature. he enjoyed poetry and music and, like some others of the enlightenment, he scoffed at religion. his father thought him soft, frivolous and unmindful of his duties. and when frederick refused to put his signature on a right to succession, for a few moments his father strangled him.