Answer:
1. In factories more stuff was done by machine vs farm where you use your hands more
2. It was less demanding on farms they did not need as many people to work on a machine where as in a factory they had kids slaving in hot conditions just to feed their family.
Explanation:
Russia then declared war on A-H, Germany then on Russia because russia declared war on A-H, then France declared war on germany for declaring war on russia, then Germany tried the schlieffen plan and declared war on Belgium and because belgium was a neutral country the british empire declared war on germany.
In short, the alliances (Triple Entente (Russia, France British Empire)and Centralpowers alliance (Germany,Italy and A-H))caused these countrys to declare war on eachother.
Answer: increasing efficiency in telecommunications.
Explanation: Concerns about air pollution led to stricter environmental regulations. Union membership increased as workers sought better pay and conditions.
