【Immigration】Move your population

This mod adds a series of unique units and policy, which provide the ability for player to move their population from one city to another. What this Mod adds: Immigration - 1 pop: Ancient unit at the start. Increases city's Population by 1 when used. Reduces city's Population by 1 when training completed. Must be used in the City Center. Immigration - 2 pop: Classical unit unlocked with Political Philosophy. Increases city's Population by 2 when used. Reduces city's Population by 2 when training completed. Must be used in the City Center. Immigration - 3 pop: Renaissance unit unlocked with Humanism. Increases city's Population by 3 when used. Reduces city's Population by 3 when training completed. Must be used in the City Center. Immigration - 4 pop: Industrial unit unlocked with Nationalism. Increases city's Population by 4 when used. Reduces city's Population by 4 when training completed. Must be used in the City Center. Immigration - 5 pop: Modern unit unlocked with Ideology. Increases city's Population by 5 when used. Reduces city's Population by 5 when training completed. Must be used in the City Center. Gains a free Military Engineer with the Fascism govenment, Gains a free Builder with the Communism govenment, Gains a free Trader with the Democracy govenment. Political Migration: Medieval policy unlocked with Feudalism. +30% Production bonus toward Immigration units. +1 Movement for all Immigration units. How to move your population: Training an Immigration unit in the city you want to move the population from, once completed, move the Immigration unit to the city you want the population from. Once the unit is in the city center, promote the unit, the city will gain the population you want.