4, from July 28th 1914 to November 11th 1918
Here is what Hoover did plan to end the depression:
1. Use of volunteerism to create economic solutions at the state and local level (no federal restrictions or use of money)
**indirect relief to those that were jobless
**price stabilization by businesses
2. Create government organizations to facilitate economic help and communicate between labor and corporations.
3. Indirect aid to banks and public works projects (like Hoover Dam)
The air pollution in London reached its highest point around 1875.
As a result of the Industrial Revolution, London became:
- overpopulated
- heavily polluted
- quite noisy
From the description of the graph, we can tell that around the year 1875, London suffered the highest air pollution shown by the graph as air pollution reached 610 micrograms per cubic meter.
In conclusion, 1875 saw the worst air pollution in London according to this graph but it is a good thing that this has improved massively as of 2016.
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idk good question im ao confused