<span> to escape political and religious persecution. poverty </span>caused<span> by natural disaster of the </span>Irish<span> Potato Famine forced people to i</span>migrate<span> from </span>Ireland<span> for a new life in the United States</span>
he team started at 20yard line
So on number line the initial point should be +20
Then they were pushed back four yard
change is -4
Now final point=20-4=+16