This would be a "direct democracy", which was actually the first form of democracy, which originated in Ancient Greece in Athens. There were no elected officials.
The policy that government should interfere as little as possible, and have free businesses
<em>D. </em><span><em>Rome could not grow enough food and maintain a large enough army to fend off barbarian tribes.</em>
<em>It is true Rome could not grow enough food and maintain a large army because of the barbarian tribes. Non of theses answers would be true but D.</em>
<em>I hope this truly did help!</em></span>