Explain how steel helped different areas of the us connect

It is used to create railroads.

Explanation:

Before the invention of railroads, the only method of travelling from one state to another is by using Caravans. This was very hard to do because it could took months for traders to reach other states by using horses.

The invention of railroads allowed people to reach states at a much faster time. It connected different areas in United States and made it easier for people to distribute their product to another states.

answer

wages and job opportunities have grown slowly since the recovery began five years ago, while technology continues to change the nature of work. while many workers enjoy opportunities unimaginable a generation ago, many others feel the economy has left them b

explanation:

well not the inner core.. its made entirely of lava. the crust is obviosly not it. and the outer core is made of nickel so your answer would be a the mantle

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