La resistencia de los nativos americanos (Native American Resistance)

Manifest Destiny the name given in the 1840s to a belief that the coast-to-coast expansion of the United States was both inevitable and justified, regardless of the means. Standing in the way were not only the native populations, but also the descendants of Spanish settlers who had lived in the Southwest for centuries. The racist belief that white men rightfully should expand their institutions into the area brought the United States into conflict with Mexico. War was declared in 1846, and by the time the Treaty of Guadalupe Hidalgo was signed in 1848, ending the war, the US had gained...

¡Feliz Cinco de Mayo! Esta fiesta anual comenzó después de la histórica victoria del ejército mexicano y ahora se celebra en muchas partes de los Estados Unidos. Aprende acerca de la comida, música y mucho más a través de fotografias llenas de color, diagramas y otros elementos de textos informativos. Las preguntas de pensamiento crítico a nivel apropiado ayudan a los lectores a ahondar en la información y comprender lo que hace única a esta celebración. ¡Feliz Cinco de Mayo! This annual fiesta began after a historical Mexican military victory, and now it is celebrated in many...

A lo largo de su vida, Eugenio d’Ors, también conocido como Xenius, fue nacionalista catalán, sindicalista, monárquico y, finalmente, falangista. También fue un intelectual extraordinario, crítico de arte, escritor paciente deun dilatado Glosario en catalán y en castellano y, en definitiva, uno de los autores más interesantes de la España de la primera mitad del siglo xx. Una figura tan relevante, compleja y llena de contrastes necesitaba una biografía queexaminara de forma unitaria todas sus facetas. De un modo exhaustivo y nada complaciente, Eugenio d’Ors (1881-1953) saca a la...

Learn about the Earth and the Moon with this engaging Spanish science reader. With easy-to-read text, this book teaches students important scientific concepts and vocabulary including the phases of the Moon, the movement of the Earth around the sun, and the rotation of the Earth. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, bold font, and detailed images to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical thinking skills.

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...