Answer:
Technology, Capital mobility, Improved transport, etc.
Step-by-step explanation:
Improvement to Technology makes it easier to communicate and share info. Its way easier to share information with people all around the world.
Labour Mobility, theres been general reduction in capital barriers over the past few decades. which makes it easier for capital to flow between different economies. this also increased the ability to recieve finance.
Improved Transport, making global travel easier. Over the past few years theres been a huge growth in air travel (airplanes and more) making it easier to transport materials and people.
Not much but i learned about it last year:)