Why was foreign affairs department created by washington in his first administration

President George Washington was considered to be the "father of the country", but also father of neutrality. He knew America was living with internal issues, and was neither strong enough to fight a war nor stable enough to finance one. Thus, he decided to seek a more diplomatic solution. Having a foreign affairs department was essential for President Washington; he was against isolationism and wanted the U.S to be an active participant of the western world. In George Washington's foreign affairs, he made sure the United States didn't favor too highly one State above another nor allied with others in international wars.  

to oversea relations with other countries

Explanation:

the year 2019 marks the 2115th anniversary of his birth.