What did the Romans do as a result of Hannibal’s attacks? What was the outcome of the second Punic war?

c. troops marched forward in close formation against newer, more accurate weapons

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.