Direct democracy is a system in whichparticipate in government decisions directly. all athenian citizens participated in government by voting in the.

Direct democracy is a system in which citizens participate in government decisions directly. All Athenian citizens participated in government by voting in the assembly.

Explanation:

The democracy created in Athens was direct, not representative as the current ones: any adult male who was a citizen and over 18 years old could participate in the assembly of citizens, and it was a duty to do so. The officials of the democracy were partly elected by the Assembly and partly by lot.

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

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.