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The steel plow allowed for farmers to plant faster and deeper. This was especially important to westward expansion because without it there wouldn't be a way to plant past the dry soil. It boosted America's economy by allowing farmers to plant faster, once again increasing their income.

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The mechanical reaper reduced the amount of labor needed to harvest crops. By reducing the amount of labor being used it allowed for farmers to harvest more crops, increasing their income. This boosted America's economy by allowing for faster production of crops and promoted westward expansion by introducing a quicker way to harvest.

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Barbed wire restrained cattle for farming. This allowed farmers in the west to restrain cattle and other animals easier. As a result of not losing as many animals when not intended to, this increased the farmer's income, boosting the economy. Barbed wire is still used today.

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Windmills were used to collect all the water needed to maintain a farm. This increased America's economy for farmers as it was an easier and quicker way to get water. It promoted westward expansion by allowing for farmers expanding out west to gather water for their crops in the west's harsh dry soil.

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The combination of the newly invented Steam Engine and the Transcontinental railroad would create the Steam Locomotive and impact national travel tremendously. It made it much easier, quicker, and safer to travel from east to west.

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Not to be confused with armored wooden ships, these ships are made entirely out of metal and usually used a steam engine or later in the 19th century a combustion engine. This impacted America's economy by allowing safer and more efficient international travel and provided a stronger unit for the Navy to use for combat or deliver goods to other nations.

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As technological advancements continued, so did better methods of communication. The invention of the telegraph utilized Morse code as a method of communication. This impacted America's economy socially and promoted westward expansion by increasing methods of communication.