Aristarchus’ only extant treatise is “On the Sizes and Distances of the Sun and Moon.” In it he calculated the diameter of the Sun as about seven times the diameter of the Earth, thus estimating the Sun’s volume as about 300 times the volume of the Earth
B. Allied forces began to take the offensive for the first time in the Pacific.
The offensive on Guadalcanal gave the Allies an important foothold with a very strategic airfield from which to launch missions from in the Pacific.
During the Cold War, and in the past decade, U.S. policy often viewed nuclear weapons apart from the rest of the U.S. military establishment, with nuclear weapons serving to deter a global nuclear conflict with the Soviet Union or Russia.
brought back to life or activity or brought back to life or activity
The American Revolution's connection to "liberty" was important on a global scale, since this inspired many other nations, including France, to start revolutions in order to throw off tyranny.
