How does a disease become a pandemic?What strategies could help to prevent future pandemics from spreading?

How did the american revolutionary war change how some americans viewed the enslavement of african americans?

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.

Awriter agreement is what ? a. contact b. investment c. solvency d. tariff