From health tips to tech hacks, find it all on IDNLearn.com. Our Q&A platform is designed to provide quick and accurate answers to any questions you may have.
Answer:
In 1754, the French built Fort Duquesne where the Allegheny and Monongahela Rivers joined to form the Ohio River (in today's Pittsburgh), making it a strategically important stronghold that the British repeatedly attacked.
Explanation: