They gained knowledge about their target.
Gold prices dropped exponentially in Northern Africa
He trained rats in the correct route through a maze,then deliberately damaged their brains and observed that this did not inhibit their progress through the maze.
As Frederick Douglass reflects on his life, he thinks the significance of the move to Baltimore is a a divine providence of God. He thinks that it was God's plan for him. It is how God <span>cares for and directs all things in the universe. Hope this helps.</span>