It gives you a way to communicate if you're deaf.
It is not absolutely necessary, but it will make life a lot easier if you can speak the language of the country you are living in.
They needed a language to make trade easier
Living in groups make it easier for animals to care for young because parents have to teach their young how to hunt.
The term "a spell of deafness" can mean a period of temporary hearing loss. A "spell of deafness" would mean casting a spell to make someone deaf. The "spelling of deafness" is correct in the question (loss of hearing).
Communicate and express ideas, feelings and concepts.
Civilizations were forming to make life easier and less complicated for living.
learn the language and write, im pretty sure......
The effects of science and technology on society is it provides our society with basic tools to make our way of living much easier
There are many different programming languages available on the market. The programming language 'Halide' is a relatively new language on the market that was created to make programming easier.
I'm assuming you mean easier to use rather than easier to learn. You also fail to mention which specific language(s) you are referring to so I shall assume that you mean languages such as C or C++, both of which provide a "standard library"; a library (or module) that builds upon the language's built-in types to provide useful functions, algorithms, utilities and types (or classes) that the majority of programmers require in order to make best use of the language.
Learning another language is always helpful especially if one is working in a foreign country. It will be much easier to communicate with people and thus make work life easier.
There are various benefits to making English a universal language. For example, it would make international business easier to handle.