B.
Public opinion was very much against Hoover
Answer:
industrial revolution
Explanation:
it was due to this that the economy of the united states grew therefore attracting immigrants who came looking for help in the developed united states
Answer: Treaties
Explanation:
During the build-up to WW1, countries in Europe formed alliances to protect themselves in case war broke out.
They formed these alliances by signing treaties amongst themselves.
The Triple Alliance was formed from a Treaty between Germany, Austria-Hungary and Italy while the Triple Entente was as a result of a Treaty between Britain, France and Russia.