Article: The island had a monocrop economy until 1966, based on the cultivation and processing of New Zealand flax for rope and string. St Helena's economy is now weak, and is almost entirely sustained by aid from the British government. The public sector dominates the economy, accounting for about 50% of gross domestic product. Inflation was running at 4% in 2005. There have been increases in the cost of fuel, power and all imported goods.

Now answer this question: What was produced during the time the Island was monocrop?
flax