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So, you will get American citizenship? Have you already been granted admission for any university in the US? Berkeley cannot be compared to any university in Malaysia ;-) so go there if you have the opportunity and funding! I think it's kinda obvious why you should choose US over Malaysia, but maybe if you need someone to tell you that it means you really need to go to school. You also should consider other options, such as Europe, because tution fees are very high in the US and community colleges are not always of good quality.