Что такое наречие? объясните с примерами

Наречие- неизменяемая, самостоятельная часть речи, обозначающая признак предмета, признак действия и признак признака.Может отвечать на вопросы где? когда? куда? откуда? и т.д.  Ещё наречие неизменяемая, так как не склоняется по падежам(не изменяется)
Например: вправо куда? , издавна и т.д.

the contesting states- two states or two conditions or two people etc opposing each other

the contracting states- two states or two conditions or two people etc concuring each other

depositary state is some kinda organisation to which multilateral treat is entrusted which means this organisation is responsibke to treat some countries or such kinda organisation

dependent state is the state government or organisation which depends on another country or organisation and do not have enough power to control everything (e.x Russia is federation it includes several countries in it and these countries is dependent to Russia)

L.1. In 1960’s advances in microelectronic, components led to the development of the minicomputer followed more recently by an even smaller microcomputer. ,didn't it ?
2.When did Intel Corporation deliver the first the first microprocessor, the 4004?
3.Do advances in microelectronic devices give rise to advances in data-processing machinery?
4. Does a computer which includes a microprocessor as its major component is called a microcomputer or a microtelephone ?

ll.1. The computer has made it possible to mechanize much of the information interchange and processing that constitute the nervous system of our society., hasn't it ?
2. Are there a number of advantages of distributed processing.?
3.What is the first advantage of distributed processing?
4.Can the network be small enough to be contained within a single laboratory or building, or it can be spread out over a wide area.?