B. Africas economies crashed because of their lack of natural resources
The right choice is B. People voting in secret balloting for the candidates of their choice.
The British, it was a success.
<span> Falling demand leads to falling prices, and less production, which leads to a deflationary cycle that spirals out of control. It actually started when agriculture commodities (wheat, corn, beef etc) was over supplied. Followed by an artificially inflated housing market which collapsed when the market corrected. </span>