Answer:
A. Abolishment by kings of feudal ties, to establish government and extend royal power
Explanation:
The 1000-1150 period is in fact, a period when feudalism was at its peak. For example, France in the year 1100 was a unified kingdom in name only, it was in fact composed of several counties and duchies such as the Duchy of Normandy or the County of Champagne, that had political, military and economic power over these territories. The king ruled in name only, and in order to collect taxes, or raise an army, he needed the approval of local feudal lords.
Same thing applies for other countries such as the Holy Roman Empire, Northern Spain, and the Low countries.
<span>Indeed, the achievements of the Inca ended up working against
them. One of the achievements of the Inca was that they built an extensive road
system for relaying message through the empire and for transporting goods. But
ironically, the roads they built made them easier to conquer.</span>