Feudalism began to spread to britain soon after
a. charlemagne was crowned emperor of the romans.
b. the vikings began raiding northern europe.
c. william the conqueror invaded britain.
d. eleanor of aquitaine married king henry ii of england.

c. William the Conqueror invaded Britain.

Explanation:

Feudalism with the Frankish conquests at the end of 8th and in the beginning of the 9th century was spreading to Italy, Spain, Germany, further towards to the east of Europe, primarily to Hungary and to some Slavic countries.

The Normans transferred it to the conquered lands - in 1066 to England, then to the south. Italy and Sicily. From England, feudalism spread to Ireland and Scotland.

English feudalism was organized purposefully from above, by a king who attempted to regulate the administrative structure in this way. Therefore, they developed a practice in which the vassals were rewarded with counties for vassalage, and in turn they subjected themselves to the warriors they had to feed.

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