Shock Collar Question - November 22

Brooke is wearing the Shock Collar this morning!

Today's question: You’re all very familiar with African geography right? (quickly) GOOD! Because today we’re talking about that famous nation that everybody knows and loves… “THE.... GAMBIA.” ... but it wasn't for a time... in fact, troubles arose in the 1960’s and the President of the country decided to fix the issue by adding the word “The” to the official country’s name. ... and ever since then, they've been much happier. So today's question is... What was the reason Gambia changed its name to "The Gambia" in the 1960’s?