Piaget hypothesized that an infant's first schemas for interacting with the environment always involve
(a) cross-modal reactions.
(b) conservation.
(c) reflexes.
(d) trial-and-error accommodations.

(C) reflexes.

Explanation:

Piaget being interested about the adaption of the organism to its environment .

Schemes - The mental organization , that controls the behavior , is known as the schemes .

The adaption depends on equilibrium between the environment and the biological drive to have the balance .

And in a new born baby , the schema to interact with the environment involve , reflexes .

the fourth amendment protects:

"the right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no warrants shall issue, but upon probable cause, supported by oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized."  

so this would mean the denial to search and seizure without warrant or permission.

they had freedom from the government and from the affairs