What development has most influenced the spread of globalization in the Th and ST century?

The most significant development influencing the spread of globalization in the 20th and 21st centuries has been the advancement of technology, particularly in communication and transportation. Innovations such as the internet, satellite communication, and affordable air travel have facilitated instant connectivity and efficient movement of goods and people across borders. This has enabled businesses to operate on a global scale, fostering international trade and cultural exchange. Additionally, the rise of multinational corporations and trade agreements has further integrated economies around the world.