We know that 'migrate' means to move. So since that, we need to add the -ing, and we know that we end up with the meaning "moving".
So migrating means moving from one place to another.
Why did settlers in Jamestown almost starve?
They lacked the basic farming techniques required to grow sustainable crops.
What was the name of the Native American girl who saved Smiths life? Whom did she marry?
Answer 1. Pocahontas saved John Smith's life.
Answer 2. Pocahontas married John Rolfe.