Which of the following factors has helped improve Bangladesh's economy in recent years

1. Export-oriented industrialization: Bangladesh has capitalized on its low labor costs and steadily growing textile industry to become one of the world's leading garment exporters.

2. Remittances: A large number of Bangladeshi citizens work abroad and send money back home, which has been a significant source of foreign exchange earnings for the country.

3. Infrastructure development: Investments in infrastructure, such as roads, ports, and power plants, have helped boost productivity and attract foreign investment.

4. Stable macroeconomic policy: Bangladesh has maintained stable inflation rates, a manageable fiscal deficit, and a stable exchange rate, which has helped create a favorable environment for businesses to thrive.

5. Social development programs: The government has implemented various social development programs, such as microfinance initiatives and education programs, which have helped reduce poverty and improve human development indicators.