1.Diaz's regime declines.
2.Pouplar discontent.
3.Rises of new generation of potential leaders.
4.Centennial and presidential election $party
I give u 4!
Plants need nitrogen to make proteins I believe
I'm gonna go with A & B " It provided a way for people to move west more easily." and "It created a mode for the transport of goods and services to the west." C is also somewhat applicable but I'm not 100% sure about C. Hope this helps.
I would say the answer is D.
