I am new to MotE and I had a quick question about units. Playing as Prussia, I noticed that I have many different types of units to choose from but that some of these units share the exact same stats and costs. See the example below, in which I've highlighted a few of the culprits:

Is there really no difference between any of these cavalry units? What's the point of having these different types?

Is there really no difference between any of these cavalry units? What's the point of having these different types?