Can you make the question more clear?
It was the attacks on the World Trade Center in New York City on September 11th that caused the establishment of the United States department of homeland security, whose main objective is protect the US from terrorist attacks.
Answer:
B. the tundra
Explanation:
According to the given excerpt, the climate region does Aimee's grandmother live in is the tundra.
This is because, the tundra is close to the north pole and as such, sun may not be visible for weeks.
