Answer:
taking ft/ siege of boston
Explanation
Ended up with the defeat of the Central Powers under the leadership of Germany, <span>also saw the collapse of four Empires-German, Austrian, Turkish and Russian.</span>
Divide 61.5 by three so you know how much each quarter is.
61.5/3=20.5
And then add that number to 61.5 so that you have all four quarters
20.5+61.5=82
So he only has 20.5 miles more to get home and he will have traveled 82 miles in all when he gets home.
Yes it helped Europe from outside threats