I play Roman (Augustus) for early game supremacy. I've just researched iron-working, and have 8+ Praetoria (NO catapults yet) attacking a neighbour. If they're a cultural Civ (Gandhi, Isaballa, Hatty, etc.), then they probably still have archers and I can take 3-4 cities while churning out Praetoria from my core cities. Midway into the war, I have plenty Praetoria, but am running low on funds. I can scrape by through cottage-raiding and city-pillaging, enough to research one of these two techs: -Code-of-Laws is 350 beakers. -Maths+currency costs 250+400 = 600 beakers My objective is to prolong the war to capture more cities, and still have a post-war economy that is not on STRIKE. I don't care if my immediate post-war research is 0%, my large empire will quickly recover. Code-of-laws gives plenty cheap courthouses, and currency gives markets + hammer->coin. Which path is better?