: Prioritize industrial technologies (Construction and Industry) and electronic engineering (Research Speed) early on.
: Hostile actions like declaring war or annexing territory increase global tension. High tension allows Democracies to join factions or guarantee other nations. hearts-of-iron-iv-v1-11-12-p2p-rar
: Draw offensive lines to build up "planning bonuses," which grant significant attack boosts once the invasion begins. 4. Political & Global Mechanics hearts-of-iron-iv-v1-11-12-p2p-rar
: Assign Divisions to a General (up to 24 divisions) and Generals to a Field Marshal to receive cumulative combat bonuses. hearts-of-iron-iv-v1-11-12-p2p-rar