Relocate: "Many Puritans relocated to America to establish a new life where they could practice their religion freely in their homes and communities."
Guerrilla tactics: "The American army used guerilla tactics against the British during the American Revolution, hiding in small groups and attacking troops by sneaking up on them."
Explanation:
"Relocate" means to move somewhere new and establish a new home or place of work. This is what the Puritans did.
"Guerrilla tactics" are tactics of war that use small and irregular groups of soldiers to sneak up upon and attack enemy troops.