It is certainly the most efficient system of reproduction.
It doesn't require dating, dinner, movies, courtship, etc.,
and it doesn't even require locating another compatible,
cooperative individual, or even knowing anybody else.
It eliminates all of the preliminaries, and cuts straight to the chase.
Even headaches are irrelevant.
Answer:
They could only serve for one year, the same person could not be elected for ten years, and one consul could always overrule the others decision.
The correct answers are: II and IV.
''Single-family farms are making higher profits'' and ''mechanized farms require a larger labor force than traditional farms'' are the two statements that are not true about the modern day agriculture.
Single-family farms are not making higher profits, thy are in fact making much less profit, and especially in the developed countries this type of farms are systematically brought to minimum and are on the verge to stop existing.
Mechanized farms do not require larger labor force, totally opposite, they require much less labor force. The whole point of the mechanization is to lower the requirements for labor force and increase the speed and efficiency of the work, so this made it possible that much fewer people to be able to do much more work with the help of the mechanization.
Answer: Some societies succeed and others fail for many reasons. They could have a bad ruler, it depends on thier rules, how the people in the society behaved, etc.