PLEASE HELP BEING TIMED WILL MARK BRAINLIEST: Which changes took place during the Second Industrial Revolution? Check all that apply.

1 The first settlers arrived in the Pacific Northwest.
2 The country was divided during the Civil War.
3 Businesses and industries greatly developed.
4 Factories used new kinds of machines.
5 Railroad lines stretched to the west.

 Pacific Fur Company mogul John Jacob Astor establishes Fort Astoria, the first permanent US settlement on the Pacific Coast. He later becomes the country's first millionaire. Hudson's Bay Company establishes Fort Vancouver, which becomes the most prominent European presence in the Northwest.  During the Civil War, the country was divided between the North (Union States) and the South (Confederate States).

Explanation:

answer:

the majority of cambodians living today were born after the khmer rouge was ousted in 1979 and some who survived can forget how bad it was. when khmer rouge forces seized phnom penh on april 17, 1975, the couple was living with eight of their children in a rural town called kampong chhnang.

explanation:

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.