Most of the people who live in Canada settled along the southern border with the United States. Which of the following is the most likely reason for this? The climate is more tolerable.
The cities are larger and cleaner.
Tourism is more likely to be successful.
There are more mining opportunities.

first one

Explanation:

because climate is tolerable

The climate is more tolerable.

Explanation:

The Northern border can extend from Sub-Arctic temperature to Arctic temperature, which, while it is livable, is not ideal for human conditions. The southern border (which is shared with the United States), may still be within the colder latitudes, but it is still tolerable with the human body.

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what are you options