What language should replace english as the de facto global language? Why? English is probably the most common second language, but the pronunciation is very difficult to learn. Is there a language that has both simple grammar and easy pronunciation that could replace English? or English the best choice? obviously it would be difficult to move to a new language now, but if you could choose, what language would that be? maybe we could improve how english is written? what are your thoughts

What is the best Spanish textbook for a beginner-intermediate level learner? or other resources that you know of for non-vocabulary exercises.