In 1900, the United States was struggling with problems associated with what three developments?

 the rapid expansion of big business, the development of large-scale agriculture, and the rise of national labor unions and industrial conflict

Explanation:

the correct answer is to reduce tax

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.