Start in North America 1400: The country is being established

Traveling through North America for 1,400 years, there are still 92 years before the discovery of America. There is still plenty of time left for Zhou Li'an. Not to mention that he still has a powerful system that requires money. The system's suggestion is: [Dear, just imagine, When the colonists landed, they found that what was waiting for them was an AK47, which must be a world-famous painting... What are you waiting for? Hurry up and charge up!】