Theories are open to the following except a. Revisions b. Dogmatization c. Tentative acceptance or rejection d. Test

honestly you should get that checked out because it really isn't normal

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.

its c not d   tell me if that´s correct