Where was the first brain surgery preformed?​

Explanation:

In 1887, a Philadelphia native and Jefferson Medical College graduate performed the first successful brain tumor surgery – removing a meningioma from a 26-year-old man experiencing severe headaches, seizures, and aphasia – earning renown as “American's first brain surgeon.”

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .