Answer :
Answer:
A is not correct, it took the US more than two months.
B is not correct, the US declared war on Germany on April,6, 1917. If it took 2 years, the troops would've taken till 1919 to arrive. By that time, the Germans had already surrendered.
C is not correct, the US took more than a month to prepare,
D is correct, it took over a year to prepare supplies and troops.