because in most countries inculding the US there are many people that speak more than the main laguage of the country so it is good to be able to speak these languages and it will help with careers and other things. You never know when it might be handy.
Because it is our second language :)
Understanding how we most naturally learn language (how we learned our first language) helps understand the nature of language learning. The more you can mimic this process in teaching a second language, the better.It also helps the teacher understand ways learning a second language is unlike learning one's first.
For the same reason that speling is so important in language
You should learn a second language because you might go to another state and don't speak their language so learning a second language will help so you can communicate with them.
well english is a very hard language to learn and so it is good and important to know this language
There is no language called Celtic. Ireland's native language is Irish, sometimes called Gaelic. It is the second most important language, as English is the main language spoken in Ireland.
to be able to comunnicate to others with the same language
It depends what kind of teacher you become. If you are a maths teacher, for example, where is the need to teach another language? If you wanted to learn a second language then you could of course. All though in some circumstances it MAY be required.
So we can lern it
so you won't lose your culture
because then you can make new friends from a different country
The second language native to Iceland is Icelandic Sign Language. The second most widely spoken language in Iceland is English (as a foreign language).