Final answer:
International careers have become more prevalent due to the growth in globalization, enabled by advancements in technology, the shift in economic structures, and increased international competition.
Step-by-step explanation:
International careers are more common now because of the growth in globalization. This encompasses the expanding cultural, political, and economic connections between people worldwide, which has been driven by factors such as the explosion in new information and communications technologies. These advancements have facilitated the increased buying and selling of goods, services, and assets across national borders, resulting in a dynamic change in international trade and financial capital flows. Additionally, the shift from manufacturing to service industries, increased competition from foreign producers, and the evolution of work, such as telecommuting, have all contributed to the rise in demand for high-skilled labor, opening more global opportunities for such professionals.