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Galileo was the person who invented the telescope. With this invention, he discovered that the earth is not at the center of the solar system, and four of the moons were observed that orbits around Jupiter. He also observed the different types of phases of the planet Venus and the sunspots. These observations made him support Copernicus's heliocentric theory in which the sun is assumed to be at the center of the solar system and all other planets and stars revolve around it.
The most important was The Battle of the Somme (1 July - 18 November 1916) was a joint operation between British and French forces intended to achieve a decisive victory over the Germans on the Western Front. For many in Britain, the resulting battle remains the most painful and infamous episode of the First World War The AEF helped the French Army on the Western Front during the Aisne Offensive (at the Battle of Château-Thierry and Battle of Belleau Wood) in the summer of 1918, and fought its major actions in the Battle of Saint-Mihiel and the Meuse-Argonne Offensive in the latter part of 1918.
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What are the multiple choice answers?
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