Outnumbered? I'll conquer America with an unlimited number of suicide soldiers.

He transmigrated to 1855, becoming a mining slave in California. Fortunately, he had a system that could summon assassins. While others complained about the low grade of gold mines, his assassins developed the cyanide process ahead of time, reaping countless riches. Nobles and royalty were clamoring for aluminum products? Electrolytic aluminum was mass-produced and sold worldwide! With money in hand, naturally came the need for guns. Repeating rifles, mortars, ironclad fleets, propeller planes… build them all! "My lord, the obstacles on the New World have been cleared." "Your Excellency, the European nations request to speak with you." "My lord, our army is on standby in Panama, ready to continue south at any time." He listened to the reports and smiled slightly. This time, he would change the way the world lived.