Answer:
The first efforts by the united states to create a professional foreign service staff started with the Rogers Act or the Foreign Service Act of 1924.
Step-by-step explanation:
The Rogers Act of 1924, often referred to as the Foreign Service Act of 1924, is the legislation that merged US diplomatic and consular services into the US Foreign Service. The purpose of this Act was to promote a better relationship between the US and the countries that take part in the trades.