Unit Test :CC
This account of the gas attack at Ypres emphasized that chemical warfare
a.
was used by the Allies.
c.
was not that harmful.
b.
was against international law.
d.
was not very effective.
2. After the Spanish American War all of the following became under US control, except
a.
Guam
c.
Panama
b.
Puerto Rico
d.
Philippines