Answer:
Explanation:
These people are called demographers, and their study is called demography.
Answer:
The addition of oars and sails gave Viking boats an advantage over all other watercraft of their day in speed, shallow draft, weight, capacity, maneuverability, and seaworthiness. Viking boats were designed to be dragged across long portages as well as to withstand fierce ocean storms.
Explanation:
Answer:
Immigrants to work in steel mills
Explanation:
I don't know if I'm right, but it sounds like it. There was more immigration from Europe, so they must need those immigrants to take jobs at steel mills, to produce munition plants, and to work at stockyards. This is just my best guess.
Slavery was downright essential to mercantilism in eighteenth-century Great Britain. This was because mercantilism depended on the use of colonies to produce raw materials, particularly cash crops <span>, for the mother country. These cash crops, with sugar being by far the most important, represented a major source of revenue for Great Britain. </span>