Sorry taking educated guess but from my perception it's b but ??????
'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.
Answer:
viruses
Explanation:
viruses on websites or people who run the website might be selling your information like personal things.