Answer :
The United Kingdoms and Canada are two nations that the US has had a lot of interactions with.
The reason why the US has had a lot of interactions with these countries
This is due to the fact that they are allied countries. These nations are allies with the United States and have similar interests with these nations.
Apart from these countries other countries that the US has a lot interactions with are Germany and Japan.
Read more on foreign relations here: https://brainly.com/question/4428758