The answer would be State legislatures. The Constitution provides that an amendment may be proposed either by the Congress with a two-thirds majority vote in both the House of Representatives and the Senate or by a constitutional convention called for by two-thirds of the State legislatures
Warren Harding, the 29th President of the United States, had a scandal with his administration called the Teapot Dome Scandal. This was a scandal that had to do with bribery and private oil companies.
Most russians were peasants who worked on farms for very little money.