Glaciers had created the Great Lakes.
-Rhear
Explanation:
Similarly, mass migrations may take place in the form of deportation, such as deportations in the Neo-Assyrian Empire, imprisonment in Nazi concentration camps during World War II, deportations to Gulag camps in the Soviet Union, and coolie labour in Southeast Asia and the Caribbean.
Global climate change is when a change in weather appears in an area where it normally wouldn't. This is normally a change in the temperature, precipitation and/or wind. An example would be the ice caps melting in Antarctica because heat is making its way in where it should not be.