There are a few things that happened in the boon crop production of the 1870s. The main effect was that it crop prices went down; it lowered fresh food prices because of the increased food supply. This led to higher debts for farmers.
The aspect of fiction that realist writers use to advance the plot of their story would be : The complexity of the characters.
Realist writers tend to advanced the plot by somehow explaining the motives that influence each characters, creating a tension and plot based on our human understanding and empathy
The countries that was not greatly impacted by the "Arab Spring" were as follows:
Saudi Arabia
Oman
Palestine
lebanon
Algeria
And many more.
Billboards, lawn signs, pretty much advitersiment