European Union (EU) is submerged in a severe debt crisis

The entire European Union (EU) is submerged in a severe debt crisis. Many steps, including the current unlimited bond buying program, have been taken by the European Central Bank (ECB) to come out of the debt trap. But the results are far from satisfactory. In such a scenario, where survival is difficult can EU attract new member nations to its territory and save the Euro? 

For that, first we need to understand the benefits of joining EU. Becoming EU member would attract investment from other member nations. It can also stabilise the banking industry as support from ECB is at hand. By joining euro zone the small economies would tend to become more stable and would be eligible for lower interest rates. However, becoming a EU member also has its drawbacks. Once a country enters Euro zone capital becomes cheap so there is a tendency to accumulate debt. And that's where the problem begins. Portugal and Spain are prime examples to that. However, some like Poland and Czech Republic which are part of EU but have flexible currencies are in a sweet spot. They get all the benefits of being a EU member but are saved from the massacre of Euro. Also, notable is their low debt compared to other member nations. Thus, curtailing debt and flexi currency is the mantra for survival in this environment.