In 1907, president theodore roosevelt made an informal arrangement with the government of japan to limit immigration from that country. this arrangement was know as

Gentlemen's Agreement ig this is what you are looking for.

Explanation:

Briefly; The Gentlemen’s Agreement between the United States and Japan in 1907-1908 represented an effort by President Theodore Roosevelt to calm growing tension between the two countries over the immigration of Japanese workers. A treaty with Japan in 1894 had assured free immigration, but as the number of Japanese workers in California increased, they were met with growing hostility.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.