Similar to primary research, development of the literature review requires four stages:
Problem formulation—which topic or field is being examined and what are its component issues?
Literature search—finding materials relevant to the subject being explored
Data evaluation—determining which literature makes a significant contribution to the understanding of the topic
Analysis and interpretation—discussing the findings and conclusions of pertinent literature

These are the two arguments for the body paragraph that I thought of:

influences:
(1) The impact of the financial turmoil on Japan’s foreign trade
(2) The impact of the financial crisis on enterprises (cars, electrical appliances, etc.)