Question

which disease is believed to have originated in the americas and spread to europe after 1492? choose 1 answer: a malaria b tuberculosis c smallpox d syphilis

Explanation:

To solve this, we analyze each option:

• Malaria: Originated in Africa, not Americas.
• Tuberculosis: Existed in Europe/Asia before 1492.
• Smallpox: Brought to Americas by Europeans, not vice - versa.
• Syphilis: Believed to have originated in Americas and spread to Europe after 1492 (Columbian Exchange - related disease spread).

Answer:

D. Syphilis