The fief was an important basis for feudalism because it was the land given by a landlord to a vassal in return for military service
Not only their military service, the vassals were also obligated to give some cut for the landlord for every profit made using the land
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Answer:
technological advances
Explanation:
They did not have technology when the Greeks lived.
<span>The expansion brought up the issue of slavery, which divided both the North and the South. The North had industrialized itself, creating less of a need for slavery, and they for the most part were against slavery. The South still used slaves for their plantations, and they wanted to keep slavery to reap profits. The Supreme Court tried to absolve the issue of slavery in Dred Scott vs. Sandford, but this only angered the North more. This issue was one that eventually led towards the Civil War.</span>