Answer:
The unprecedented levels of production in domestic manufacturing and commercial agriculture during this period greatly strengthened the USA economy and reduced dependence on imports. Capitalism is greatly efficient and allowes Large economic growth!
A new nation was born called the United States !
The end of the Viking Age is traditionally marked in England by the failed invasion attempted by the Norwegian king Harald III (Haraldr Harðráði), who was defeated by SaxonKing Harold Godwinson