M.S

Hello, You should choose a course on the basis of your interest and not for only settlement. I am sure while you may select the course for which you are interested, you may end up performing it better academically. More than that, it depends on your interest and background as well. If this is a Masters which is STEM focused, you may have up to 3 years of stay back in USA and MBA in most cases would be a 12 months only. So, you are suggested to see your background of education and your interest in pursuing a technical course of Masters in the same/similar field or you have a few years of work experience and now, you may want to learn and excel in management skills, then MBA suits the best as it will give a better growth to your career. All countries will have their own perquisites and standardized test requirements which you should be taking like GRE, GMAT, IELTS or TOEFL before you apply.

Hello, Getting job depends directly upon factors like - courses or degree you pursue, GPA, Networking, Recommendations of your professors. There are job fairs and you may get your placements from the internship you ever did during your CPT. Besides, you should be performing well in what ever degree you pursue as Masters and have strong relationship among the peer group and teachers who would help you getting your first job in USA if you do not have acquaintance already. For technical courses, the opportunities available in US would be the highest followed by Germany, South Korea, UK, etc. You may also explore Canada and Australia since they are permanent residency oriented countries and you may look forward to a stable future.