Which has most contributed to the success of Singapore's economy?

The country has a high number of low-skilled jobs.
The country controls the production of semiconductors.
The country has a role as a leader in the financial services.
The country focuses on trading argicultural-based products only.

The country's role as a leader in the financial services has most contributed to the success of Singapore's economy. This sector has played a significant role in driving economic growth, attracting foreign investments, and creating high-skilled job opportunities. Singapore is known for its robust financial sector which includes banking, insurance, wealth management, and capital markets. It has developed into a global financial hub and continues to attract international businesses and professionals due to its strong regulatory environment, political stability, and business-friendly policies.