How has the modern political system in the United States been influenced by the system of checks and balances in the Constitution?

El liberalismo moderno estadounidense es una forma de socioliberalismo desarrollado a partir de ideas progresistas tales como el Nuevo Nacionalismo de Theodore Roosevelt, la Nueva Libertad de Woodrow Wilson, el Nuevo Trato de Franklin D. Roosevelt, la Nueva Frontera de John F. Kennedy y la Gran Sociedad de Lyndon Johnson. Combina el social liberalismo y el social progresismo -asociado con el ala izquierda del Partido Demócrata- apoyando el Estado social y la Economía mixta.

Explanation:

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in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.