History & Culture. In April 1917, the United States entered World War I on the side of the Allies. Previously angered by the sinking of Lusitania, President Woodrow Wilson led the nation to war after learning of the Zimmermann Telegram and Germany's resumption of unrestricted submarine warfare.
WATER AND HUMANS. * The human body is more than 60 percent water. Blood is 92 percent water, the brain and muscles are 75 percent water, and bones are about 22 percent water. * A human can survive for a month or more without eating food, but only a week or so without drinking water.
The human adultâs body is made up of 60 to 70% water. This percentage is much higher in babies and kids. During pregnancy, a women needs to drink lots of water to keep her and the baby healthy. 1  Lack of water, even less than 10% of the body weight is signaled by thirst. 2  Any higher and the body can experience dehydration.