What was meant by the Enlightenment idea of natural rights?

Rachel carson 1962 silent spring was a groundbreaking work regarding what topic

Germany italy and japan formed the tripartite pact in part because they: a. hoped to convince the united states to stay out of world war ii b. share the ruling philosophies based on communist economics c. resented the agreements they were forced to sign at the munich conference d. believed their territories were threatened by aggressive foreign states

Who believed that the best economic system was on in which businesses compete to gain profit with minimal or no government control