.What was done with organic waste as cities were
being cleaned up?

In the 19th century, the city had a simple method for dealing with organic rubbish: It enlisted scavenging swine to nose through the gutters for leftovers. Now, the city is employing the primal chemistry of decay.

answer; i believe that the correct answer is (d); // supercontinent

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