Warlord: Found a Nation on an Island, Then March North to Crush the Japanese Pirates

[Rise to supremacy] + [Industry] + [Naval warfare] + [Aerial warfare] + [Overseas] After an accident, Chen Wei transmigrates to Yan Nation. It's an island nation in Oceania. His father dies soon after he transmigrates. Although Chen Wei is the young marshal, the regimental commanders who served under his father refuse to obey him. The old emperor is also planning to collude with the Eastern Nation. Just as Chen Wei has no idea what to do, the System appears. The beginner's gift pack grants him an elite army, SKS semi-automatic rifles, and more. Before long, Chen Wei takes control of Yan Nation and founds a country of his own. After developing for a while, Chen Wei sends his fleet north to wipe out the Japanese pirates. After World War II ends, Chen Wei falls out with America. The two nations go to war...