Pumice<span> is formed when hot lava mixes with water and hardens, resulting in a porous and abrasive </span>stone perfect<span> for sloughing away dry skin. To use a </span>pumice stone<span>, soften the calloused skin in warm water, wet the </span>stone<span>, then gently rub the </span>stone<span> over the area using circular motions until you remove the dead skin.
Although many countries were drawn into the conflict of World War I, the United States maintained a policy of isolationism advocated by President Wilson.