Geographically speaking, Canada, Mexico, Cuba, and Russia. Alliance wise, Australia, Mexico, UK, and Canada.
Some countries experience winter because of their lattitude and longitude and also because they are close to the poles.
The sovereign states or countries closest to the US are Canada and Mexico
The two countries closest to the US are Canada and Mexico, which share common borders with the US.
Some countries are similar in gun violence to the US, and other countries are more pacific.
In some countries voting is mandatory and there are legal punishments for failing to vote. In the US voting is voluntary.
north and south america if that is what you mean?
Impossible to answer. Some countries such as the US have immigration quota's, some do not. This means that there is no fixed amount of immigrants moving to new countries each year.
I know the French do and some people do it in the US and maybe some other countries I know the French do and some people do it in the US and maybe some other countries
The continental US borders both Mexico and Canada. However, it has many countries close to its borders, less than 100 kilometers (62 miles) away from American soil, such as Russia across the Bering Strait, or the Bahamas and Cuba, close to Florida in the Caribbean Sea. Also, if you count Puerto Rico as part of America, some more countries enter this classification, such as the Dominican Republic or Haiti.
Which country?? If I'm going to answer this question in general.. To some they have close family ties to some they are not.
counties