Eastern Europe adapted to this and also used mostly cavalry tactics, some countries all the way up to early 20th century. What works better (cavalry or infantr

Eastern Europe adapted to this and also used mostly cavalry tactics, some countries all the way up to early 20th century. What works better (cavalry or infantry) mostly depends on population density, distances between population centers and road network. Less dense, less wealthy countries with large open spaces prefer cavalry. Urban, densely populated countries with good infrastructure prefer infantry.