Its D for sure i was stuck on this one
Answer:
They achieve this through selective breeding and the use of concentrated feed. This puts the animals at risk of developing often-painful physiological problems. Lameness, weakened or broken bones, infections and organ failure are common health problems for factory farmed animals.
I think it is D i might be wrong don't know
I believe it was George Stephenson.
The blank is federal government because they had to pave the way and let the future presidents see the best way in which the federal government would work.