Answer:
A slave is a person who works as a servant
Jonas Salk is known for essentially eliminating the polio disease in the 1950s
Answer:
Its a good thing
Explanation: Among those was an increase in wealth, the production of goods, and the standard of living. People had access to healthier diets, better housing, and cheaper goods. In addition, education increased during the Industrial Revolution.
Answer:
Russia's leader, Czar Alexander II tried to modernize Russian society in the late 19th century.
Explanation:
Alexander II went down in history as a monarch-reformer. A number of historians call him the initiator of the most ambitious reforms in Russia since the time of Peter I. As a result of these reforms, the state changed visually and finally. It really embarked on a new path of development.
