Black revolution is related to the—

- Fuel Production

The correct answer is option 'C' - Crude oil production. The term "Black revolution" refers to the significant increase in crude oil production. This revolution has played a crucial role in the economic development of many countries by providing a steady source of energy for various sectors such as transportation, manufacturing, and agriculture.

- Significance

Crude oil is a crucial resource that fuels various industries and sectors of the economy. It is used for producing gasoline, diesel, jet fuel, and other petroleum products. The increase in crude oil production has led to the growth of industries, job creation, and overall economic development in many countries.

- Impact

The black revolution has not only boosted economic growth but has also led to geopolitical implications due to the strategic importance of oil-producing regions. Countries that are major producers of crude oil have gained significant influence in global politics and trade.

- Challenges

Despite its benefits, the black revolution has also brought challenges such as environmental degradation, pollution, and over-reliance on fossil fuels. The need for sustainable energy sources and environmental conservation has become more pronounced in the wake of the black revolution.

In conclusion, the black revolution, related to crude oil production, has had a profound impact on the global economy, energy security, and environmental sustainability. It is essential for countries to balance the benefits of crude oil production with the challenges it presents to ensure a sustainable future.