Reduce the use of non renewable resources
He served as the General Secretary of the Central Committee of the Communist Party of the Soviet Union from 1922 until his death in 1953. In the years following the death of Vladimir Lenin, he rose to become dictator of the Soviet Union, using a combination of manipulation and terror to destroy his opposition.
Spanish conquering Mexico
Effect: Death of 2 continents. Deconstruction of thriving civilisations. 2 brand new continents for Europeans to put to use.
Cause: The Spaniards wondering if the Earth is actually round. During the journey the stumble upon the New World. Another cause is the greed and disrespect of the Spanish colonizers. The American natives were seen as primitive and savage, which the Spanish saw as a reason/excuse for killing their cities, people and culture.
