Hernando de Soto was a Spanish explorer who led the first European expedition deep into the territory of today's United States. Historians worked a lot to trace the route of his expedition. It started in 1539. in Florida: de Soto landed his ships in Tampa Bay. In 1540., they continued to move north-east, through today's Georgia, having heard the gold being mined "towards the sun's rising". The expedition continued trough present-day South Carolina and then to north, across Appalachian Mounthains of North Carolina, and after that entered Tennessee. In 1941. de Soto and his expedition turned westwards, and reached river Mississippi. De Soto was the first European man that crossed Mississippi. They continued trough modern-day Arkansas, Oklahoma and Texas, and later returned to Mississippi. De Soto died in 1942.
The Qin dynasty was the first dynasty to start connecting the various walls into a greater whole. That happened around 221 to 206 BC and was done under the reign of Qin Shi Huang. Though the wall was later improved still by other dynasties, it was during the Qin dynasty that the Great Wall of China was first formed into a cohesive structure.
The Enlightenment philosopher who promoted the principles of separation of church and state along with freedom of the press was Voltaire. Voltaire established himself as one of the leading writers of the Enlightenment. Hope this answers the question. Have a nice day.
Thomas Paine's Common Sense was intended to illustrate the absurdity of the colonies following Britain's rule. It was a persuasive argument for American independence.