Question: The Minneapolis Forum Cafeteria was located at 36 South 7th Street originally constructed in 1914, a 1930 reconstruction created a cafeteria with a stunning Art Deco interior of black onyx and pale green tiles, and which type of ships were marine vessels of unique design, built by the Vikings during the Viking Age?
Sentence (from "Early Scandinavian Dublin"): Although intermittent warfare between the Vikings and the Irish continued, these inner conflicts weakened the Viking colonies and made it easier for the Irish to unite against them.
Relevant evidence: No