What do historians intend to do when they make claims? a. they argue points that have not yet been proven. b. they compare primary source and secondary source materials. c. they express biased opinions. d. they oppose or point out problems with another person's argument.

A. They argue points that have not yet been proven.

Usually they would try to prove the point as time goes on by reconstructing the historical events and the timeline surrounding the event.

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the answer is 250 percent.

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.