Geography because geography determines where you are in a area and its PERSPECTIVE
There are many people in urban areas. If there are floods, it could kill a lot of people. Also, floods sometimes damage buildings. If the buildings collapse, it would cause a big problem.
Answer:
The author is arguing to merge Canada and the United States into one country under the same government.
Explanation:
In paragraph 2, it says "We share geography, values, and the longest unprotected border --5,525 miles long-- in the world. So why not share a government."
The author lists reasons for the United States and Canada to become one country.
The universe is made of matter.