Does "It was known to the Greeks, but became a significant supplement to bronze during the Roman Empire." contain the correct answer to "What started about 4000 years after copper smelting was discovered?"

A: no

Does "The Air Force stopped appointing warrant officers in 1959, the same year the first promotions were made to the new top enlisted grade, Chief Master Sergeant." contain the correct answer to "When did the USAF inherit warrant officer ranks from the Army?"

A: no

Does "Following General Daniel Morgan's victory over the British Cavalry Commander Banastre Tarleton at the Battle of Cowpens on January 17, 1781, southern commander Nathanael Greene led British Lord Charles Cornwallis across the heartland of North Carolina, and away from the latter's base of supply in Charleston, South Carolina." contain the correct answer to "What was the date of the battle of Cowpens?"

A:
yes