As the Depression worsened and millions of urban and rural families lost their jobs and depleted their savings, they also lost their homes. Desperate for shelter, homeless citizens built shantytowns in and around cities across the nation. These camps came to be called Hoovervilles, after the president.
The name is Pre-Cambrian era
Answer:
there was a great depression in Ireland, but it happened during the 1980's and 1990's, instead of the 1930's
i think it is A, D. but tell me if i am wrong.