USA Post-study work - Post-study work visa

Are there any postgraduate diploma courses around six months that offer stay back options in UK/Australia?

What are the stay-back visa options and work opportunities after completing a master's degree abroad in UK/Germany?

Which country should I choose for my studies: USA or UK for a Master's?

For US universities, is the post-study work permit duration two years if the course is STEM?

Are there better country options than France for studying biotechnology in UK/Australia for a Master's?

What is the duration of the cosmetology program in the UK and what post-study work visa options are available for a Diploma?

Will I get a post-study work permit for three years after my STEM-based master's program in UK/USA?

Which countries offer post-study work permits and permanent residency options in Ireland/Australia?