The Treaty of Versailles was a peace treaty that ended WW1 (between Germany and allies)
B. both were total wars involved countries entire populations(apex)
9(7+2)
His neighbor is out of town for nine days and he gets paid for these things every day so you would put the nine outside of the parentheses. You put seven plus two inside the parentheses because he is paid the sum of these numbers every day his neighbor is gone.
They became more comservative