The Idea of Zero: It's the one of the most important number in the whole of maths!
The above question has multiple choices;
a. Cognition
b. Correlation
c. Causation
d. Contextualization
The answer is
B
The above sentence mentions nothing that the development of henry Bessemer's invention was made possible only because of Abraham darby's invention. Thus, both inventions have a correlation relationship with one another and do not indicate an event is the occurrence of the other event.
The German economy was especially vulnerable since it was built upon foreign capital, mostly loans from America and was very dependent on foreign trade. When those loans suddenly came due and when the world market for German exports dried up, the well oiled German industrial machine quickly ground to a halt.
