The correct answer is "protection".
In feudal society, a vassal was a person invested with a fief for which they had to povide services to a lord. First, a feudal contract was made, and under that contract, the lord was bound to provide the vassal with the fief, i.e. to provide protection and to do him justice in court. In return the Lord could demand the services which were attached to the fief, and these could include all kinds of services - military, administrative etc.
Colombia rejected the U.S. offer to build a canal through Panama.
The last Carolingian King of France was Luois V. He died aged 20 without children and had only one brother who died before him and this was the end of the Carolingian dynasty.
The successor was Hugh Capet - this is the correct answer. Hugh was also a descendant of Charlemagne. <span />
<span>Im going to go with C. Led to the development of two distinct political groups.</span>