Democratic leaders answer to populations.
It was also an exchange of culture. When people from different cultures met they learned about each other and shared ideas.
Prehistoric man may refer to: <span>Human evolution </span><span>the Homo (genus)</span><span>archaic Homo sapiens</span><span>any perceivedly primitive culture</span>
Commodore Matthew Perry's expedition in 1853 to Tokyo to force trade with Japan displayed the use of "gunboat diplomacy" by the united states, since the United States was threatening (by implication) to use force if diplomacy failed.
Sooo basically at this point you must first inherit what is called PEMDAS. After this session you must submit