How might this exploration impact indigenous people in "new world" and the people in the "Old world"

Diseases

Explanation:

Europeans carried a hidden enemy to the Indians: new diseases. 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.

whats youre

answer; i believe the above statement is (true);