Electric heaters may convert electricity fairly efficiently, but generating electricity itself is a fairly inefficient process. Overall, electric heaters will be less efficient than petroleum-fuel heaters. This is why most central home heating systems use natural gas or petroleum gas whenever they are available.
The Progressive Era was a period of widespread social activism and political reform across the United States, from the 1890s to 1920s. The main objective of the Progressive movement was eliminating corruption in government. The movement primarily targeted political machines and their bosses.By taking down these corrupt representatives in office a further means of direct democracy would be established.n the 1940s typically historians saw the Progressive Era as a prelude to the New Deal and dated it from 1901 (when Roosevelt became president) to the start of World War I in 1914 or 1917. Historians have moved back in time emphasizing the Progressive reformers at the municipal and state levels in the 1890s.
The Progressive Movement. The Progressive Movement was an effort to cure many of the ills of American society that had developed during the great spurt of industrial growth in the last quarter of the 19th century. The frontier had been tamed, great cities and businesses developed, and an overseas empire established, but not all citizens shared in the new wealth, prestige, and optimism.