Social security.
This is because it is one of his only reforms that is still in effect today.
The New Deal's Social Security Act has had the biggest long term effect on the American economy.
In the Gilded Age, also known as the time right after the civil war and right before the 20th century, the automobile was the most important and had the biggest impact on American economy.
manufacturing
The biggest impact on American industrialization was the expansion of the railroad network, which facilitated the rapid movement of goods and people across vast distances. This interconnectedness spurred the growth of industries such as steel and coal, while also enhancing access to markets. Additionally, technological innovations, such as the telegraph and assembly line, significantly increased productivity and efficiency. Together, these factors transformed the American economy from agrarian to industrial, laying the foundation for modern economic growth.
Someone said that war was the biggest business and most likely he was talking truth.
The automobile had an important impact on American lives. It changed the landscape of America. Its biggest effect was the construction of paved roads for all weather. Houses often had driveways with the invention of automobiles. The automobile caused fast construction of gas stations.
Social Security
In the Gilded Age, also known as the time right after the civil war and right before the 20th century, the automobile was the most important and had the biggest impact on American economy.
Automotive
global warming or economy
very big
Who founded Microsoft, which became one of the biggest corporations ever.
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manufacturing
Regulation Increased.
permanently ended the Great Depression
I would say that the automobile was the transportation development that had the greatest long-term impact on the American economy. Just think of all the things that its invention affected--tourism, hotels, construction businesses, etc. Plus, the autombile is still affecting the American economy today.
The 1973 Oil Crisis.