Answer:
The Athens had an elected government (democracy), while the Spartans had a thing called Oligarchy (basically being ruled by a few). The Athens valued art and stuff while the Spartans valued the military.
I believe the answer is: It was weakened and could not provide military protection.
Land reclamation refers to the process of creating new land by elevating the land that covered by the sea or lake and extracting the water out.
Due to the large budget for this project, the government have less money to be allocated for military supplies and soldiers.
Answer:
He argued that mathematics could be used to measure and describe all motion in the universe.