Early Wonders are much tougher with Progress, same with military. I think the main reason is you have to spend more production on settlers, escorts, and even workers than tradition does, and your capital will very often sit at just 4 or 5 population for a longer time, so you have less resources total. By Classical Era you can try wonders in secondary cities though (something I almost never get to do with tradition) and even if you miss them its not a terrible loss.
I really don't think Progress should be the most peaceful tree, a big advantage of progress is your long term production potential. You take the longest to get on your feet, so avoiding early war is very important. But by Medieval you should be able to produce units very quickly. The ability to friend a bunch of CS and spam Chanceries is something I've overlooked before but Progress does really well.
I really don't think Progress should be the most peaceful tree, a big advantage of progress is your long term production potential. You take the longest to get on your feet, so avoiding early war is very important. But by Medieval you should be able to produce units very quickly. The ability to friend a bunch of CS and spam Chanceries is something I've overlooked before but Progress does really well.