Defence of member nations
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is there a video i need to watch? because i cant answer the ?n if there no video or link to that video :/
Explanation:
Dr Jonas Salk developwd the vaccine to prevent polio.
Answer:
Part of the Fertile Crescent, Mesopotamia was home to the earliest known human civilizations. In addition to farming and cities, ancient Mesopotamian societies developed irrigation and aqueducts, temples, pottery, early systems of banking and credit, property ownership and the first codes of law.
Explanation:
