Between the plebeians (commoners) and patricians (aristocrats) of the ancient roman republic lasting from 494 BC to 287 BC , in which the plebeians sought political equality with the patricians
It was "Russia" that was the last to industrialize, since while most of nations were going through the industrialization process, Russia was in the middle of various uprisings that eventually led to the Civil War of 1917.
The US constitution differs from the Articles of Confederation because of the power that the federal government has. In the articles, each state acted as it's own country. They had the ability to command a military, declare war, and tax terrifs against other states. The constitution has the states act as subordinates to the federal government. They have the right to tax citizens, but their power and their ability to interact with other countries are strictly regulated through the federal government.