Which of the following contributed to the industrialization of the us in the late 1800s

The building of the cross country railway was the major factor.

Explanation:

The development of a nation-wide railway network, that could connect the east coast with the wild west is the major factor that helped to industrialization in the US.

Before the development of the railway network, large societies in the West and South of the country were highly disconnected with the more developed north-west.

However, railroads made it easier and cheaper to travel and transport goods, giving rise to a boom in local manufacturing and even export.

i cant if you dont give me the sentence or whatever.

man·u·script

/ˈmanyəˌskript/submit

noun

a book, document, or piece of music written by hand rather than typed or printed.

synonyms: document, text, script, paper, typescript

an author's text that has not yet been published.

thats all i can with. sorry. next time post the full question.

1st and 3rd : ) now lemme smash