You must choose with breed of horse to start with, with if any cross breeds to allow,
How many mares to buy and what will be the stallion ratio.
What will you do with the horse the BP doesn't take.
What training and how much with you put into each horse before he is sent to the BP
How much different locates to you feel your need
Here's some facts that fact help
#! Today the USBP uses mainly QH's
#2 Reminder they main job is to partol the southern border
#3 Mustang are comman and cheep
#4 Morgan was the first US cavalry horse,
#5 Most Warm bloods were breed for cavalry work. (true a different style but just another fact)
#6 The Brit have alwayes like TB's, while the Empire prefer Walers
I can't wait to see what you guys come up with.