Evaluación final - La época del imperialismo

Hacia el año 1870, los países industrializados iniciaron una etapa de prosperidad económica y de gran crecimiento demográfico como resultado de los avances producidos por la Segunda Revolución…

La formación de bloques

Salvando a un país del hambre y de la ruina, los monopolios norteamericanos tienen la intención de privarlo de su independencia. La ayuda norteamericana supone, automáticamente, la modificación de…

Investiga. El conflicto del Sahara

La colonia española del Sahara era ambicionada por sus vecinos, especialmente Marruecos, debido a su riqueza en fosfatos y pesca. En 1973 se había creado el Frente Polisario, una formación…

El signo

La lengua en la sociedad

Final Autoevaluation T12 10 - Waves. Light and sound

Indicate (Yes or No) for the characteristics of the shadow produced by a point light source: It has sharp edges   →    Two different areas of shadow are formed   →    Does it have the…

The rural problem

There is no doubt that, as I said, one of the greatest ills we suffer is the unequal distribution of land and that most of it is in the hands of the few (...). That the excessive extension of this…

The atom bomb dropped on Hiroshima

At 7.09 a.m. the air-raid alarm sounded and four American B-29 aeroplanes appeared in the sky. (…). At 7.31 a.m. the siren sounded to announce that the bombing was over. Thinking they were safe now,…

Final evaluation T11 06 - A bipolar world: the cold war and decolonisati...

Describe the process of reconstructing Europe after the Second World War?

Find out more. The Sahara conflict

Spain's colony in the Sahara was very attractive to its neighbours, especially Morocco, owing to the region's wealth in terms of phosphates and fishing. In 1973 the Polisario Front was created,…