Which of these events occurred before the great depression?

What percentage of roads in germany have no speed limit?

How did shays' rebellion reveal the need for a revision of the articles of confederation? a) shays' rebellion exposed the weakness of the central government as written in the articles of confederation. b) shays' rebellion strengthened the ideas of the anti-federalists in the need for a strong national government. c) shays' rebellion illustrated the need for organized local government factions to handle situations such as this. d) shays' rebellion encouraged others to rebel and eventually led to the overthrow of the first established government in the united states.

According to the aztec history, how did the aztecs know where to build their new city of tenochtitlan? why was this a good location?