Explanation:
The first recorded Viking raid in Irish history occurred in AD 795 when Vikings, possibly from Norway looted the island of Lambay.
Answer:
US immigrants created significant numbers of enclaves because of the hostility they faced (not the other way around). In the 1800s, unemployment levels weren't a significant concern relevant to this issue, and overpopulation worries weren't fully realized as a contemporaneous issue.
Answer: they decompose waste
Explanation: