Answer:
What did most Americans understand before their country entered World War I? the Triple Entente and the Triple Alliance.
Explanation:
I believe A but double check!
One is early the other is other is old
I'd say protection against ruffians and bandits
Creation of various tools and weapons was the main technological advancement of the Paleolithic Age. Besides bows and arrows, Paleolithic people made hand tools and weapons from materials like stone, bone, wood, and antler.