There are two civilizations that might fit this answer.
The first is Ancient Greece, that is Athens. Athens had a democratic government that resembled a republican one but since they were only a city-state and not a huge republic then historians are wary when they talk about it in terms of republicanism. They did however have a democratic government with an elected senate and suffrage rights.
The second is Ancient Rome. Up until Augustus became the emperor and turned it into the Roman Empire, Rome was a republic. They were a republic in the true sense because they had the senate which would vote for new legislation and this covered the entire Roman republic which was huge, not just the city of Rome.
If you mean president of the constitutional congress, it was John Hancock.
HEY GUYS I GOT IT ITS BEEEEEEEE BBBBBBBBB
One day a Native American walked up to a group of colonists. ... Samoset introduced the settlers to another Native American named Squanto, a Pawtuxet, who also spoke English. The Pilgrims had angered the Native Americans by taking their corn. Squanto acted as an interpreter between the Pilgrims and Chief Massasoit.
Laws were needed to justify the need for order in the rising complexity of the civilization so as more laws were written more were enforced and more were needed to justify that enforcement
