The greenhouse effect is a process in which the thermal radiation emitted by the planetary surface is absorbed by atmospheric greenhouse gases (GHG) and is radiated in all directions. As part of this radiation is returned to the surface and the lower atmosphere, this results in an increase in average surface temperature compared to what would be in the absence of GHGs.
The stock market crash caused everyone to take the money out of banks, but he banks were running out. the reason for this was because the money left in stocks lost value.
A form of capitalism at its early form and the colonial powers didnt tax their colonies as much so the colonies could seem attractive the the populated europe and so business could grow