The major department head who is appointed by the president to deal with foreign countries is the?
The Secretary of State fulfills this role. The Secretary of State under Barack Obama is, in 2014, John Kerry.
Countries do not have affairs in the way you imply in your question. Countries have foreign relations with other countries and the department that deals with these relationships is called the foreign affairs department. A foreign affairs department will have relations with all countries. some of which will be ambassadorial relationships.
Does The constitution gives congress the power to recognize other nationsand to accept ambassadors from foreign countries?
Under the Articles of Confederation, the Confederation Congress created the Department of Foreign Affairs in 1780 and appointed Robert R. Livingston as the first Secretary of Foreign Affairs. When the United States switched from the Articles of Confederation to the Constitution in March 1789, the Department of Foreign Affairs automatically dissolved. In July of that year George Washington signed into law the bill recreating it, and he appointed John Jay, the second and last Secretary…
The State Department and the Secretary of State are the main foreign affairs advisers to the President. Other cabinet departments, including the Defense Department, the Commerce Department and the Homeland Security Department, have foreign affairs issues among their responsibilities; those issues are coordinated and supported by the State Department. During its first seven weeks, from July 27 to September 15, 1789, the name of the State Department was the Department of Foreign Affairs.