Allied forces and Central Forces
Yes, because the two sides were very evenly matched for much of World War 1.
Oil
A lot.
$1 trillion (:
Germany , Norway , Sweden and Portugal
The Central Powers and the Entente.
yes they were loser war 1 and loser war 2
World War I saw the wide spread use of chemical weapons. Chlorine, tear, phosgene, and mustard (nerve) were the names and agent types deployed by multiple sides in the conflict.
Yes, because the two sides were very evenly matched for much of World War 1.
tuhy
Italy
Oil
both sides were locked in a stalement
dough boys
A lot.
grenades
Italy was the only country to switch sides at the very beginning. Bulgaria and Russia switched sides late into the war.