Complex sentence: The earliest recorded uses date from the 3rd millennium BC. Since the early 20th century, cannabis has been subject to legal restrictions, with the having, use, and sale of cannabis preparations containing psychoactive cannabinoids illegal in most countries of the world.
Split into simpler sentences: The earliest recorded uses date from the 3rd millennium BC. Since the early 20th century, cannabis has been subject to legal restrictions. The possession, use, and sale of cannabis preparations containing psychoactive cannabinoids is illegal in most countries of the world.