What is one significant way transportation changed in the united states in the first half of the nineteenth century?

During nineteenth century improvement in transportation had a positive impact on the american economy. The various modes of transportation were roads, steamboats, canals and railroads. They aided the sale and purchase of products in the far flung areas of US. Most of the ideas in transportation were copied from France and England, the private investors were the first one to invest. The Steam boats changed the inland transport by helping the farmers to come down by raft and return after selling their goods by Mississippi river. The northwestern areas became independent because they were able to purchase southern goods. Canals were also helpful for the farmers and were a cheap mode of transportation. Railroads were funded by the government. All these modes made the transportation of goods easier and accelerated the economic growth in nineteenth century. Out of all the modes of transportation waterways(rivers and canals) was the most important source of transport. The Eerie canal and the great western canal were the important ones.

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climate change is the big reason to the decline of the indus valley which also caused floods. so i dont know what answer would best fit the description thats just what i found online! have an awesome