Which one should I use?
Is it okay if I said:
- Because of globalization, it has become easier for people from undeveloped and developing countries to acquire better education..

OR
do I have to say :
- With the increase in globalization, it has become easier for people from undeveloped and developing countries to acquire better education..

Question

Which one should I use?
Is it okay if I said:
- Because of globalization, it has become easier for people from undeveloped and developing countries to acquire better education..

OR
 do I have to say : 
- With the increase in globalization, it has become easier for people from undeveloped and developing countries to acquire better education..

Answer

Both versions are absolutely fine.

Answer

Use the latter since you intend to show the correlation of globalization and the increase access to better education. The first one gives the impression that globalization is a fixed state; it is not,

لا تفوّت فرصة تعلّم لغة جديدة وأنت مرتاح في منزلك. تصفّح مجموعتنا المختارة من مدرّسي اللغات ذوي الخبرة وسجّل في درسك الأول الآن!