Either go with b, or a I kinda understand not really
Telescopes and microscopes
Answer:
The rise in the cost of bread
Financial crisis caused due to costly wars
Social inequality due to the estates systems
Explanation:
The upheaval was caused by widespread discontent with the French monarchy and the poor economic policies of king Louis XVI who met his death by guillotine.
Answer:
Ancient Egypt was located on the Nile River and had some of the most fertile land in the ancient world, Ancient Egyptians grew many crops, and because coins and paper money had not yet been invented, their economy depended on using their goods, mostly crops including grain, in a bartering system.
Explanation:
Things that have happened in the past.