Answer:
I believe it is Carts and early boats
Explanation:
I don’t really understand the t chart but the perspectives of Dr. King was that he has do something as he can’t just sit and wait for the black community to be tortured.
The written felt the same way because he showed all the positive things he did and for a good cause. This demonstrates that the author felt like this was something very important. Hope this helps!!!
Canals, railroads, roads, and rivers