During which era were large maximum security prisons like Alcatraz built throughout the United States?
1.Punitive Era
2.Industrial Era
3.Reformatory Era
4.Mass Prison Era

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.

the answer is b: an economic crisis throughout the country.