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.

Un libro chic, que te hará reír y encontrar tu lado más cool. Una guía definitiva que te mostrará las ventajas de incorporar a tu vida el look, la actitud y el charme perisino con ironía y descaro...

In this Spanish title, learn about what makes endangered jungle animals so unique and why they need to be protected.

Una de las destrezas que debe adquirir un técnico en Actividades Comerciales es la de dinamizar el punto de venta: diseñar, perfeccionar, conseguir mejores ventas, incrementarlas, crear relaciones a largo plazo para que los clientes hagan publicidad gratuita. Además, entre sus cometidos está optimizar la comunicación dentro de la empresa y la de esta con la sociedad en general. No hay que olvidar que un establecimiento vive de los clientes; hay que cuidarlos, conocerlos bien, para presentarles los productos tal y como ellos esperan. Este libro se dirige especialmente a los estudiantes de ...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of testing. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how testing works in the real world. In this book, a narrator freezes water to make ice and makes sure his process worked. This nonfiction title is paired with the...