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
It grew into a war involving 32 countries. The Allies included Britain, France, Russia, Italy and the United States. These countries fought against the Central Powers which included Germany, Austria-Hungary, Ottoman Empire and Bulgaria.
The 2 process that spread agriculture around the world are: 1.) Diffusion<span>2.)Slow colonization or migration of agricultural people (growing populations pushed them outward).
Difussion happens when a social group started to spread innovative idea among its members (such as agricultural technology)
Slow colonization happens when a social group tried to maintain activity that always been done in the past (such as gathering and agriculture)</span>
Own a slave in The US, and buy or sell slaves.
Answer: Petroleum.
Reason: Petroleum could be turned into kerosene which was used in stoves and lamps.
