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They were the first ones there. They were there first (Besides the vikings) so they made an empire out of it.
Answer:
Print on demand books = print on demand publishing, which is a method of producing books in specific quantities that are needed to meet an ongoing bookstore, or book buyer's, orders.
Printing on demand is a book distribution method that was made possible by digital printing (also inseparable from digital printing). It prints books only in response to orders, and only prints the exact amount ordered. Due to the capabilities of digital printing, print on demand is actuallu capable of filling an order for one book profitably.
The main factor that influenced African Americans to migrate from the South to Northern cities was that they were looking for better economic opportunities.
The Great Migration, also known as the Great Northward Migration in the 20th century, happened because most black people were badly treated by many people that still expected African Americans to be slaves, and their economic conditions were quite poor.
As a result, African Americans decided to migrate to the Northern cities, where they would get many job opportunities as well as going to have a better lifestyle by not being discriminated.
<span>Napoleon failed to conquer Russia in 1812 for several reasons: faulty logistics, poor discipline, disease, and not the least, the weather. Napoleon's method of warfare was based on rapid concentration of his forces at a key place to destroy his enemy. This boiled down to moving his men as fast as possible to the place they were needed the most. To do this Napoleon would advance his army along several avenues and converging them only when necessary. The slowest part of any army at the time was the supply trains. While a soldier could march 15 - 20 miles a day, a supply wagon was generally limited to about 10 - 12 miles a day. To avoid being slowed down by the trains, Napoleon insisted that his troops live as much as possible off the land. The success of Napoleon time after time in Central Europe against the Prussians and the Austrians proved that his method of warfare worked. However for it to work, the terrain must co-operate. There must be a good road network for his army to advance along several axes and an agricultural base capable of supporting the foraging soldiers.</span>
