Aform of communication that is based on a system of symbols is called

The form of communication that is based on a system of symbols is called language. Language is being defined as a way of how humans communicate through different methods such as through verbal or non-verbal communication, through symbols or even in written action.

in this part of the declaration it refers to the point when american people didn't recognize the british domain and   breaks the political bands with britain, they forced a respectful separation.

mankind was created and entitled equally with rights   which were life, freedom and the seeking for happiness.

answer; an active listener;