Fifty years before Marathon Athens asked Persia for help against Sparta, what did Persia ask for in return?

in the declaration of independence, thomas jefferson announced that every human being has “certain unalienable rights,” among which are those to “life, liberty, and the pursuit of " hope i

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."

the spanish  

hope this meaning spain btw