<h2>hey</h2>
politicak machine granted favour in exchange for voters.
They used violence and intimidation to prevent federal officials from collecting tax
<span>The 19th century was a period of great change and rapid industrialization. The iron and steel industry spawned new construction materials, the railroads connected the country and the discovery of oil provided a new source of fuel. The discovery of the Spindletop geyser in 1901 drove huge growth in the oil industry. Within a year, more than 1,500 oil companies had been chartered, and oil became the dominant fuel of the 20th century and an integral part of the American economy.</span>
In the late 1940s, the United States responded to the growing threat presented by the Soviet Union by trying to stem the tide of Communism by supporting and propping up governments that opposed Communism.
At the beginning of the Neolithic Revolutions, towns were created near rivers, as a source of water for their crops.
<span>It was D, the River Valley Civilization!</span>
