Describe economic changes brought about by the railroads

quicker transportation throughout the u.s.

Explanation:

Land prices rose and more land became available to settlers. Copper mining developed as new technologies emerged and transportation improved to bring the copper to market. The lumbering business grew as a result of increasing populations in towns needing more lumber to build homes. Consequently, sawmills and logging railroads increased to produce railroad ties, timbers, and bridges. Farming for cash crops expanded. An example of the new economy can be seen in the Aztec Land & Cattle, which was owned by the railroad and shipped 40,000 head per year by 1900

Explanation:

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according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

hope this