Nobody knows. The oldest record of cotton dates back to 3000 B.C.
Cotton was first produced thousands of years ago by the inhabitants of the Indus Valley Civilization. Since then cotton has become popular in making different items, particularly clothing. Cotton fabrics come in all different ways and is rather inexpensive.
No country "invented" it. It's a plant which has been in existence before DNA restructuring was a thing. IIRC, the oldest evidence of cotton was found at Mehgarh, which is located within present day Pakistan.
Flute
africa's oldest country is LIBERIA
Ireland is most likely the oldest country in the world, the first explorers came from Ireland and discovered iceland and the UK
cotton
The oldest playable musical instrument were discovered in China.
No one 'discovered' Ethiopia. People may indeed have been created there. The country is the oldest in Africa, having been known as a country at least since 1,000 BC. It was the home of the Queen of Sheba at that time.
The country with the oldest musical tradition is India.
No. Many people say that San Marino is the oldest country, but it is not the oldest. The oldest countries in the world are in the Middle East.
China and Egypt is the oldest country in the world, they have about 2,000 year of history,.