Romans came from the Italian pensinsula and came to Britain in the early first century. It was a gradual process and they slowly started conquering the different parts of the British isles during that time.
Vikings came from the Northern parts of Europe and they started conquering the British isles in later periods.
Both came and wanted to conquer the lands, while Romans were 'established' conquerors and started governing these areas soon by spreading their culture etc. The Vikings on the other hand had pillaing more in mind and did more of that and did not govern that much from the beginning.
Answer: Inflation would be the answer i believe
Explanation:
They reacted by having everyone work in the industry. While the men were fighting the war or making things that support the war, the women were also involved in production of weaponry and supplies. Even the children joined the war effort as Hitler's Youth, which was like a program for children to join the support of the government. When things got really serious and dangerous they even sent the children to fight.