Who was the ruthless dictator intent on spreading communism in the Soviet Union and abroad, creating a brutal police state and transforming the USSR into an industrial superpower?

Which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

Who did the first work in creating vaccines

President of the united states has scheduled a cabinet meeting today to discuss energy policy with specific focus on pollution and global warming. given what you know of the executive branch, which group of attendees would the president most likely expect to provide up-to-date information and expert insight during this meeting?