How did lord dinwiddie react when the french rejected george washington’s demands at fort le boeuf?

Lord Dinwiddie sent a small force of Virginia militia to build a smaller fort near the site of present-day Pittsburgh. The French quickly overwhelmed the small American force and built a larger fort known as Fort Duquesne.

He sent Captain Trent of the Virginia militia to build a fort near the Ohio River.

Explanation:

Lord Dinwiddie was a British colonial administrator that was the governor of colonial Virginia from 1751 to 1758. When he learned that the French built a fort near Fort Le Boeuf he sent an expedition of eight men to avoid conflicts with the French, George Washington was in it. The ultimatum sent by the expedition was rejected. When he learned about the rejection, Dinwiddie sent a small Virginia militia to build a fort close to the Ohio River.