What facilitated the rise of a global economy?

the decline of communist regimes around the world

an era of relative peace, with significantly less warfare in the world

greater competition among countries

the advent of information technology, which made communication easier

The answer is an era of relative peace, with significantly less warfare in the world

In an era of relative peace, a country will much more likely to allocate all of its budgets into human skill development, welfares, and resource management.

This will open a lot of opportunity for career advancement and business development, which will lead to rising global economy.