In 1798 the first smallpox vaccine was developed.Over the 18th and 19th centuries,systematic implementation of mass smallpox immunization culminated in its global eradication in 1979.
Answer:
toxic people exist to make our lives terrible and remind us of who our real friends are
Explanation:
They also exist to help us to not feel as bad when we're mean to them
True. Men manage moods with drugs and violence
To hear heart rate............