I think it is a but I could be wrong
China's first great canal system, which created a northeast-southwest link from the Huang He (when the Huang had a northern course) to the Huai River, was built beginning in 605 during the Sui dynasty<span> (</span>
Martin Luther gained religious enlightenment through his studies and believed that the church was getting in the way of peoples relationship with god and believed it was not for the church to tax people in return for their sins being forgiven he wrote the 95 Theses to complain about the wrong things the church was doing and nailed it to church doors in Germany he was part of the reformation which is one thing that lead to the enlightenment by weakening the churches power