Answer:
Correct answer is:
John Locke - natural rights
Baron de Montesquieu - checks and balances
Voltaire - importance of religious tolerance
Step-by-step explanation:
Locke's ideas about natural rights later led Jefferson to write a part about rights to life, liberty and pursuit and happiness.
In Spirit of The Law Montesquieu was discussing about the separation of powers that should be based on check and balances.
Voltaire believed that Catholic church had too much power and therefore asked for religious tolerance.