Obsessions are. a. feelings of jumpy anxiety. b. persistent, irrational fears of specific objects, activities, or situations. c. periodic episodes of intense dread accompanied by frightening physical sensations. d. offensive and unwanted thoughts that persistently preoccupy a person.

d. offensive and unwanted thoughts that persistently preoccupy a person.

Explanation:

In psychology, the term obsession refers to recurring, intrusive thoughts/mental images that the person experiences and that generate anxiety or stress to the person and make the person feel the urge to do something about them in order to reduce the stress (and the behavior they do in order to reduce the stress is called compulsion).

Therefore, we can say that obsessions are d. offensive and unwanted thoughts that persistently preoccupy a person.

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.

they had freedom from the government and from the affairs