The largest experimental statistical study ever conducted is believed to be for

The largest experimental statistical study that has happened in the past and was conducted for is the Public Health Service Experiment that has happened in the year 1954, this experiment has been conducted because of the Salk Vaccine, which is also known as the Polio Vaccine.

according to classical republican political theory, which democratic republics would function best?

a.   small republics, with people who had similar interests

b.   large republics, with people who had competing interests

c.   republics made up entirely of landowners

d.   republics made up entirely of servants

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it