One Word Substitution

Indelible means impossible to remove or erase, leaving a permanent mark or impression. It's commonly used for ink that can't be washed out or memories that can't be forgotten. 'Unerasable' has a similar meaning but 'indelible' is the more precise literary term.

A manifesto is a published declaration of policy, aims, and programs of a political party issued before an election. 'Jargon' means specialized terminology, 'agenda' is a list of items to discuss, and 'diplomacy' refers to conducting international relations.

Anarchy specifically means a state of society without government or law, resulting in political lawlessness. 'Revolt' means rebellion, 'disorder' means general lack of organization, and 'crash' means a collision - none capture the absence of political authority.

'Emeritus' specifically refers to someone who has retired honorably from service but retains their title as a mark of distinction. 'Retired' is too general, 'relieved' implies removal, and 'emancipated' means freed from legal or social restrictions.

A bakery is a place where breads, biscuits etc are made.

A cinema is a place where people go to watch movies.

A hangar is a place where aeroplanes are kept.

A zoo is specifically designed as a place where animals are kept for exhibition, conservation, or study. A house is for humans, a kennel is specifically for dogs, making zoo the most comprehensive answer.

The phrasal verb "turn down" means to refuse or reject an offer, invitation, or request. Option A "turn up" means to appear or increase volume, Option C "walk in" means to enter without appointment, and Option D "walk for" is not a standard phrasal verb. "Turn down" is commonly used for rejecting job offers, proposals, or turning down a thermostat.

The phrasal verb "show off" means to display skills, knowledge, or possessions to gain attention or admiration. Option A "shut down" means to close operations, Option B "settle down" means to become calm or established, and Option C "stay up" means to remain awake. "Show off" often carries a slightly negative connotation of excessive pride or boastfulness.

Wind up means to bring something to an end or conclusion, or to finish doing something. Wind off, wind on, and wind in are not standard phrasal verbs with meanings related to ending things.

Run away with the idea means to accept an idea too hastily or become overenthusiastic about something without proper consideration. The variations run out/in/of with the idea are not standard idioms.

Pull down means to demolish or destroy a building/structure. Put out means to extinguish or produce. Put back means to return something to its place. Put forward means to suggest or propose.

 Government run by nobility is an aristocracy.

 Despotism is a form of government in which one person holds supreme power.