The country which was forced by the United States non-violently forced to sign the Treaty of Kanagawa which increased trade was Japan.
What is a Treaty?
This refers to an agreement between two or more people or nations about
a particular thing which is signed and both parties are bound by it.
With this in mind, we can see that the Japanese nation was forced by the United States non-violently to sign the Treaty of Kanagawa which helped to improve trading relations.
Read more about treaties here:
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