The correct answer to this open question is the following.
The issues in France in the 1780s that would have been addressed if the Declaration of the Rights of Man and the Citizen were enforced would have been the following. First of all, the poverty of the French people who were living in harsh economic conditions. Then, the oppression exerted by the King of France, followed by the injustices suffered by many French who had no rights and voice to express their opinions. If they opposed the King, they were sent to prison with no trail.
The Declaration of the Rights of Man and the Citizen was issued on August 26, 1789, by the French National Constituent Assembly, manifesting that all men had natural and universal rights
They developed many new techniques for buildings and construction of all types including the invention of concrete, Roman roads, the invention of Roman arches, and incredibly well built aqueducts that ran for miles before they reached the end and delivered fresh water.
Athens was a direct democracy which means that all eligible citizens voted directly on bills and legislation. Citizens had input in many of the decisions that were made. On the other hand, the US is a representative democracy. This means that voters elect politicians who cast votes on the issues at hand on their behalf.