The railroads were important to the mountain states because:

a they gave people jobs
b they let people get to mexico
c they brought settlers to the west

the answer would be logic.

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.

answer: held for the purpose of bringing nazi war criminals to justice, the nuremberg trials were a series of 13 trials carried out in nuremberg, germany, between 1945 and 1949

explanation:

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.