Efficient system of government, able rulers, and a strong military. Granting citizenship<span> to foreigners helped ensure their loyalty to </span>Rome<span>. ( got this from the internet. its not my own words )</span>
The northern hemisphere? I don't completely understand the question.
Answer:
Economists mostly argue that the Great Inflation in renaissance Europe was caused by an inflow of silver. Historians counter that it was caused by population growth. ... On this evidence, both contributed equally to inflation during this period
Explanation:
Authoritarian monarchy.
"Old" oligarchy.
"New" oligarchy.
Semicompetitive authoritarianism.
Socialist authoritarianism
Military regimes.