Economic development in country X has advanced more quickly than in country Y. What is the most likely reason for this difference in economic development between country X and country Y?
- ACountry X has a higher level of spending on education than country Y.
- BCountry X has a higher level of unemployment than country Y.
- CCountry Y has a higher level of investment spending than country X.
- DCountry Y has a higher level of spending on healthcare than country X.