What was the purpose of the nazi einsatzgruppen?

Marx and engels believed that a communist revolution would defeat capitalism and that the revolution would be led by

Which of these effects of mass production techniques used during 1920

Did the spanish settlers and missions have a positive effect on world history? why, what did they do that was positive? why was the treaty of paris (1763) good for the world/world history? did the plymouth colony have a positive effect on world history? why, what did they do that was positive?