Learning Languages. Speaking A2-B1

Do you think all children should be required to study foreign language? Or is it better to focus on mother tongue?

Is it good to be grow up as a bilingual child? What are some advantages and disadvantages?

What is the most beneficial language to learn? Why?

Is it worth learning dead languages (Latin or ancient Greek)? Why or why not?

What are some barriers in learning and speaking foreigh languages?

What advice can you give to new language learners?