Global scale maps can provide evidence of globalization's effect on migration by showing patterns of movement across borders, such as increasing flows of people from developing countries to developed countries, the rise of transnational communities, and the interconnectedness of economies through trade and investment.

Rephrase

Evidence of globalization's impact on migration can be observed through global scale maps, which illustrate the movement patterns of people across international borders. These maps reveal the growing trend of individuals migrating from developing countries to developed ones, the emergence of transnational communities, and the interdependency of economies through trade and investment.