Because they're border is too long to gard and both nations have the same culture.
so they are not cheep
Builds a good relationship between these two countries
Almost every industry in Canada and the US are connected. Manufacturing is the most predominant.
Canada is north of the 48 continental states, and east of Alaska.
Canada is borders the US to the North, Mexico borders the US to the South at California, Arizona, New Mexico, and Texas.
yes Jamaica does have a good relationship with the United States.
No they don't have good a good relationship with China but there not at war.
Good.
The US can strengthen its relationship with Canada by increasing trade, developing diplomatic relations, and continuing to allow open borders. These two countries have a unique relationship which has allowed them to develop a very strong bond over the 150 years.
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no because they will not give to Canada if Canada had a water shortage
Yes, it surely will. India and US should be friends.