A(n) is a form of autocracy in which a king, queen, emperor, empress, or other aristocrat is the highest authority in the government.

Monarchy

Explanation:

A monarchy is a form of government in which a monarch holds sovereign authority. In an absolute monarchy, the autocrat rules with absolute power over the state and government. The monarch can be a king or queen, in a kingdom, or an emperor or empress in an empire.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.