What's similar with absolutism and constitutionalism’s

Similarities between Absolutism and Constitutionalism: Both operate for the welfare of state. Both are responsible for the protection of their masses and the state. Both run the state by collecting taxes from people either directly or through a proper system of taxation.

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."

it proved indian land claims were unjustified.