Why did President Theodore Roosevelt sign a gentleman's agreement with Japan?

Due to the immense tension that was being generated between both nations, due to the high Japanese migration to the United States, which was already generating racial segregation at school level

Explanation:

The Gentlemen's Agreement of 1907 was an informal agreement between Japan and the United States United States in which it was agreed that the United States would stop imposing restrictions on Japanese immigration, and Japan would restrict emigration to the United States. The Agreement sought to reduce tensions between the two. countries.

The immediate cause of the agreement was the rejection of Japanese immigrants that began to emerge in California.

In the agreement, Japan agreed to stop approving passports to Japanese who wanted to work in the United States and in return, the United States agreed to accept immigrants who settled in the United States and allow the immigration of their immediate families.

To ease tensions created by the segregation of Japanese students in California.