Guns and gun powder
during this time the natives in America were still using spars and arrows, with those weapons they practically stood no chance against the Europeans.
23 August 1754
Palace of Versailles, France
Answer:
B. Herding lands in central india
C. is your answer there you go
The National Reclamation Act funded irrigation projects in West America. So, as you can imagine - the most likely answer here is B! =)