It forced auto companies to add safety features to their vehicles, <span>including head rests, energy-absorbing steering wheels, shatter-resistant windshields, and seat belts.</span>
Affects it because they are joining together
<span>B. The route from England to west Africa involved the exchange of European materials and goods for African slaves to be sold in the Americas. is true of triangular trade</span>
Answer:
B
Explanation:
Exporting raw materials to England
I believe the answer is Barbed Wire.
Befor the inventions of barbed wire, the Cattles are let to roam freely across the plains and the owners are required to pay a lot of cowboys to supervise them so they didn't go missing. Witht he invention of barbed wire, they can keep the cattle in a secure place without supervision.
