1- I believe the answer to this is machinery and workers
2- Local people did the work and progress demanded they did it faster
3- The workers came from Africa usually from some other rural places as well.
Hello my name is Phoebe and I studied this unit a few years ago so I kind of know what this is about. If you have any more questions PLEASE do not hesitate to ask in the comments below or you can contact me through a writing app called wattpad- username: JellyAngel27.
If I helped please rate, comment, thanks, and mark brainliest.
Yours,
Phoebe
