Served as a testing ground
Answer:
The great potato famine in Ireland (1845–1849) drove the Irish to the United States in large numbers; they emigrated directly from their homeland to escape poverty and death.
<span>20 miles per hour north is an example of velocity. The reason behind such a conclusion is that it has both direction as well as speed. The correct option among all the options that are given in the question is the fourth option or option "D". I hope that this is the answer that has come to your great help.</span>
