What bad things did Spaniards bring with them?

Smallpox: Smallpox was a highly contagious and deadly disease that wiped out millions of people in the Americas. It is believed that the Spaniards brought smallpox to the Americas in the early 16th century.

Measles: Measles is another highly contagious disease that can cause severe complications, such as pneumonia and encephalitis. It is estimated that measles killed millions of people in the Americas during the 16th century.

Influenza: Influenza is a respiratory disease that can cause mild to severe illness. The Spaniards are believed to have brought influenza to the Americas in the 16th century.

Cholera: Cholera is a bacterial disease that causes severe diarrhea and vomiting. It is estimated that cholera killed millions of people in the Americas during the 19th century.

Yellow fever: Yellow fever is a viral disease that is transmitted by mosquitoes. It can cause severe symptoms, such as fever, jaundice, and bleeding. Yellow fever is believed to have been brought to the Americas by the Spaniards in the 17th century.

In addition to these diseases, the Spaniards also brought with them alcohol, tobacco, and firearms. These items had a profound impact on the indigenous peoples of the Americas. Alcohol was used to intoxicate and control indigenous peoples, tobacco was used as a form of currency, and firearms were used to conquer and subjugate indigenous peoples.