The big feasts and celebrations that took place.
Answer:
The increase in agricultural production and technological advancements during the Agricultural Revolution contributed to unprecedented population growth and new agricultural practices, triggering such phenomena as rural-to-urban migration, development of a coherent and loosely regulated agricultural market,
Explanation:
Assuming the diplomats you are referring to are Benjamin Franklin, John Jay, and John Adams, the correct answer is John Adams.
He was the second president of the United States in America, right after George Washington. Franklin and Jay, even though they were influential politicians and diplomats, never became presidents.