Native peoples of America had no immunity to the diseases that European explorers and colonists brought with them. Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians. Europeans were used to these diseases, but Indian people had no resistance to them.
Explanation:
Islamic mathematicians such as Al-Khwarizmi, Avicenna and Jamshīd al-Kāshī made advances in algebra, trigonometry, geometry and Arabic numerals. Islamic doctors described diseases like smallpox and measles, and challenged classical Greek medical theory.
The answer is B. Bay Of Pigs Invasion
Before the revolution, Cuban was led by Fulgencio Batista, an Ally of the united states.
But after the Revolution, Batista was overthrown and replaced by Castro, who chose to make an Alliance with the soviet Union.
In 1961, under a Direct Command from Castro, Cuba launch a military invasion to the bay of pigs, ( which Failed because it was undertaken by CIA)
