C3594 There's Going to be a War

Sam Moreels's eyes slightly raised. He suddenly remembered that the most important thing between advancing to the third and fourth grade was iron ore and iron ore.

When advancing to Tier 2 to Tier 3, it required 1000 units of iron ore. Sam Moreels had to sell a lot of cigarettes in exchange for it.

This time, advancing to Tier 4 islands required even more iron ore. In addition to copper ore