Which war resulted in defeat for russia that prompted many changes im russian society

The First World War trigerred the Russian Revolution:

As the Russian Empires army were defeated and suffered severe losses, the outbreak of a Revolution took place, a movement that would change forever Russian society and would embrace a predominant ideology first originated with the works of Marx, Lenin, and other key thinkers that advocated for a utopian society.

-The defeat of Russia was due to many factors including: a war that had a mere interest to contrarrest influence of an ever increasing German Empire. A bad organization in high commands of a Russian Imperial Force that many times was under the command of nobles and people with no former military trainment. Together this and other factors , a lack of professional armies to match the well disciplined German troops caused a society to feed with their monarchs and uprise. Civil unrest came as the enemies of Russia were outside and inside the country.

-The Tsar and his legacy was erased and everything relating to an old regime came to be transformed under the promise of a socialist change that would make a society fair and much more happy. At least that was the promise upon wich a new model was built.

answer: choose the second bullet point. it is the easiest to put together an answer to the question.

explanation:

tenochtitlan (also spelled tenochtitlán), located on an island near the western shore of lake texcoco in central mexico, was the capital city and religious centre of the aztec civilization. the traditional founding date of the city was 1345 ce and it remained the most important aztec centre until its destruction at the hands of the conquering spanish led by hernán cortés in 1521 ce, which led to the final collapse of the aztec empire.