Which immigrant group helped build tunnels for the subway in New York City? Question 1 options:

Cuban

German

Chinese

Italian

The Sandhogs

Unlike other laborers, who toiled anonymously on bridges and buildings throughout the city, the sandhogs had an iconic status in New York City. "Sandhogs," or underground subway tunnel miners, in New York City, 1903.

Who were apparently Italian and Irish.

there is an explationation of this on a site called crash   course world history 1

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;