This action was found unconstitutional because it violated the separation of powers.
a. legislative veto
c. legislative powers
b. presidential veto
d. legislative override

Option A.

Explanation:

Legislative veto, is the right answer.

The legislative veto was a characteristic of dozens of ordinances passed by the Federal Government of the United States in the decades between 1930 and 1980 until judged illegal by the Supreme Court in 1983. It is a procurement whereby Congress enacts an ordinance giving power to the President and holding for itself the powers to revoke, through mere majority suffrage, particular efforts taken by the President under that power.

the hereditary right of a monarch to rule from the mandate of heaven

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.