What were the features of the political structure of the United States after the Civil War?

The outcome of the North American Civil War between the United States and the CSA from 1861 to 1865 was the victory of the northerners and the capitalist bourgeoisie over the planters and slave traders from the South. Industry and industrialization took over the agrarian society with slave labor. From that moment on, the United States began to develop as a democratic state. The power of the federal government, headed by the president, has strengthened in the country. A presidential republic and a two-party system are being formed. The big industrial bourgeoisie comes to power.