I believe A but double check!
Some push factors were the chance to get rich, Dry farming, owning land, escaping the nightmares of the south ( slaves ). There were also longhorns to sell. Some pull factors were relatives and spouses not wanting them to go.
The correct answer is sympathy, because Germany has a large debt that will be difficult to pay.
The political cartoon "Let's see you collect it" shows a man (who is labeled as Germany) being crushed by an enormous bag of money. This shows sympathy for the Germans, as the author realizes that the amount that Germany has to pay (which is 55,000,000,000) is not going to be easy. Along with this, he realizes that paying this amount of money could very well ruin Germany.
The answer should be a and b