Answer:
the last one (low prices made it more available for everyone)
Explanation:
After the Chaldeans defeated the Hebrew Kingdom, they made Jews their slaves and took them to Babylon. The king of the Chaldeans who is Nebuchadnezzar exiled only the important people of Jerusalem. The other people were allowed to stay. Around 10,000 Jews were coerced to move to Babylon.
They interpreted it so that people are allowed to have weapons even if they're not associated to a militia or the army or the police force and can use them for self defense. The legislation that prohibited people from having weapons or that forced them to keep them unloaded and in pieces was determined to be unconstitutional and people were allowed to have weapons if they wanted to have them.
