How do ancient glacial deposits in Africa, India, Australia, and South America support the idea of continental drift?

how do ancient glacial deposits in Africa, India, Australian and south america support the idea of continental drift. the scientific community strongly believed that the continents and ocean basins were permanent, fixed features of earths surface. relationship among mantle convection, ocean ridges, and subduction zone.

What exactly do you mean 

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years