Why was thomas jackson given the nickname "stonewall"?

Thomas' nickname was first given to him at the first battle of Manassas in 1861. Confederate General Bernard Bee was inspired by Jackson's resolve in the face of the enemy , So Bernard called out to his men to inspire them "Look men, there is Jackson standing like a stone wall'

The ford was cheap and people liked it that way because everyone could have it.  So the more people bought the car the more money the company makes.