El ferrocarril transcontinental (The Transcontinental Railroad)

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

En este cuaderno aprenderás la ortografía de numerosas palabras que se escriben con v y h, y te ejercitarás en la ortografía de diversas sílabas trabadas y libres. También se estudian algunas reglas fundamentales del uso de las mayúsculas: en principio de escrito y después de punto.

De una u otra forma, el agua se encuentra en casi todos los rincones del planeta. Además de constituir el hábitat de miles de especies y formar parte de nuestro organismo, su presencia en grandes antidades nos ayuda a transportarnos y nos brinda espectáculos tan formidables como aterradores. Así, cada gota es muestra innegable, como se lee en este libro, de que la vida florece donde hay agua.\"

A dictionary tailored for the Latin American market is an ideal supplement to the middle school curriculum and includes up-to-date definitions, example sentences, synonyms and antonyms, and more. Original.

A beautifully illustrated picture book takes young readers on a journey of discovery to find out what it would be like to go to the moon, as they fly into outer space, walk on the Moon, and take a look at our world from a very, very long way away.