The fourth is freedom from fear – which, translated into world terms, means a world-wide reduction of armaments to such a point and in such a thorough fashion that no nation will be in a position to commit an act of physical aggression against any neighbor – anywhere in the world.

that is no vision of a distant millennium. it is a definite basis for a kind of world attainable in our own time and generation. that kind of world is the very antithesis of the so-called new order of tyranny which the dictators seek to create with the crash of a bomb.

–four freedoms,
franklin d. roosevelt

what purpose does the second paragraph serve in the argument that it is possible to live in a world free from fear?

to explain the claim that one day everyone will enjoy the four essential freedoms
to counter the claim that a world free from fear is possible only in the far future
to provide evidence for the claim that people should commit no physical aggression

What is the difference between an observational study and an​ experiment? choose the correct answer below. a. in an​ experiment, a treatment is applied to part of a population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. b. in an​ experiment, a treatment is applied to an entire population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of an entire population but does not change existing conditions. c. in an​ experiment, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. in an observational​ study, a treatment is applied to part of a population and responses are observed. d. in an​ experiment, a researcher measures characteristics of interest of an entire population but does not change existing conditions. in an observational​ study, a treatment is applied to an entire population and responses are observed.