By using the data (up to the year 2018) your textbook, LIRNbased research , a general reference list in international Economics, such as: Specialized Journals (p.12); General Journals (p.13); Sources of International Data (p.13); General Current information p.14) and the Internet Sources (p. 14), for Euro zone countries (excluding Malta and Cyprus) discuss the impact of the following factors in bringing about the Euro crises: 1 Budget deficits and national debt