Bill owns a corporation situated on a large plot of land at the edge of a historical national park. The government recently appropriated the corporation’s land to improve to build a community center that the public has been requesting for a long time. Under what clause is Bill owed just compensation?

Takings Clause

Explanation:

The takings clause stated that the Government cannot acquire ownership toward a privately held properties without giving the original owner with proper compensation for that properties.

This can be seen in the example above.

The government wanted to acquire land which owned by Bill. If the government want to use its legal power to take it, the takings clause required the government to convert the land to its current market value and provide compensation with that  amount as a minimum to the original owner (in this case, Bill)

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.