'Horse Drawn Vehicles' were once the primary transportation method, and there were 3 involved animals, horses, mules, and oxen, although horses were the original go to for a carriage, due to fast movement, oxen soon became popular amoungst emigrants.
A speices usaully can only breed with the same species unless it is done in a lab with their DNA and sometimes that doesnt work
D I’m pretty sure also brainliest?? It’s D because online is the key word and it can have all of them