Which most likely was Persia's most valuable asset?
its canals
its cotton crop
its mines
its oil supply

answer; i believe that the correct answer is (scientific approach)

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

answer; ha,ha,ha, corn on the cop;