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.

hello there!

the graphics that you have attached within the question, indicates that few people in bolivia work in industry according to its labor force.

however, the graphic that is on the right side of the picture shows the gdp sector in bolivia. this gross domestic product is a macroeconomic magnitude   that shows the monetary value of all finished goods and services within a country's borders in a specific time period. in this case, the graphic is showing the monetary value in each sector -agriculture, industry and services- of bolivia in 2012.

so, although the first graphic located at the left side indicates that not so many people work in industry, this is the second most important sector according to the gdp metrics because of the monetary value that impacts on its country. it does not need to be the most valuable one. if it makes an impact on the country's economy, it will be definitely crucial to it.